Derivatives and Hedging - Additional Information (Detail)
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Dec. 31, 2014
USD ($)
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Dec. 31, 2013
USD ($)
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Jun. 29, 2014
Predecessor [Member]
USD ($)
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Jun. 24, 2010
2010 Swap [Member]
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Dec. 31, 2014
2010 Swap [Member]
USD ($)
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Dec. 31, 2012
2010 Swap [Member]
USD ($)
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Dec. 31, 2011
2010 Swap [Member]
USD ($)
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Dec. 31, 2013
2010 Swap [Member]
USD ($)
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Jun. 24, 2010
2010 Swap [Member]
USD ($)
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Sep. 03, 2014
2014 Swap No. 1 [Member]
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Dec. 31, 2014
2014 Swap No. 1 [Member]
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Sep. 03, 2014
2014 Swap No. 1 [Member]
USD ($)
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Sep. 03, 2014
2014 Swap No. 2 [Member]
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Dec. 31, 2014
2014 Swap No. 2 [Member]
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Sep. 03, 2014
2014 Swap No. 2 [Member]
USD ($)
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May 20, 2013
2013 Rate Cap No. 1 [Member]
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Dec. 31, 2014
2013 Rate Cap No. 1 [Member]
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May 20, 2013
2013 Rate Cap No. 1 [Member]
USD ($)
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May 20, 2013
2013 Rate Cap No. 2 [Member]
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Dec. 31, 2014
2013 Rate Cap No. 2 [Member]
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May 20, 2013
2013 Rate Cap No. 2 [Member]
USD ($)
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Dec. 31, 2013
2013 FX Contracts [Member]
USD ($)
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Dec. 31, 2014
2013 FX Contracts [Member]
CAD
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Dec. 31, 2013
2013 FX Contracts [Member]
CAD
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Dec. 31, 2014
2013 FX Contracts [Member]
Minimum [Member]
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Dec. 31, 2013
2013 FX Contracts [Member]
Minimum [Member]
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Dec. 31, 2014
2013 FX Contracts [Member]
Maximum [Member]
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Dec. 31, 2013
2013 FX Contracts [Member]
Maximum [Member]
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Apr. 20, 2012
2012 Metal Swap No. 1 [Member]
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Dec. 31, 2014
2012 Metal Swap No. 1 [Member]
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Dec. 31, 2013
2012 Metal Swap No. 1 [Member]
USD ($)
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Dec. 31, 2012
2012 Metal Swap No. 1 [Member]
USD ($)
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Apr. 20, 2012
2012 Metal Swap No. 1 [Member]
USD ($)
MT
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May 30, 2012
2012 Metal Swap No. 2 [Member]
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Dec. 31, 2014
2012 Metal Swap No. 2 [Member]
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Dec. 31, 2013
2012 Metal Swap No. 2 [Member]
USD ($)
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Dec. 31, 2012
2012 Metal Swap No. 2 [Member]
USD ($)
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May 30, 2012
2012 Metal Swap No. 2 [Member]
USD ($)
MT
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May 30, 2012
2012 Metal Swap No. 3 [Member]
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Dec. 31, 2014
2012 Metal Swap No. 3 [Member]
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Dec. 31, 2013
2012 Metal Swap No. 3 [Member]
USD ($)
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Dec. 31, 2012
2012 Metal Swap No. 3 [Member]
USD ($)
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May 30, 2012
2012 Metal Swap No. 3 [Member]
USD ($)
MT
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Dec. 18, 2012
2012 FX Contract [Member]
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Dec. 31, 2014
2012 FX Contract [Member]
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Dec. 31, 2012
2012 FX Contract [Member]
USD ($)
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Dec. 18, 2012
2012 FX Contract [Member]
CAD
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Dec. 31, 2014
2014 FX Contracts [Member]
USD ($)
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Dec. 31, 2014
2014 FX Contracts [Member]
Minimum [Member]
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Dec. 31, 2014
2014 FX Contracts [Member]
Maximum [Member]
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Dec. 31, 2014
Foreign Exchange Forward Contracts [Member]
USD ($)
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Derivative [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||
Term of derivative instrument | 2 years | 3 years | 3 years | 2 years | 2 years | 8 months | 7 months | 10 months | 6 months | ||||||||||||||||||||||||||||||||||||||||||
Notional amount of derivative instrument | $ 115,000,000 | $ 90,000,000 | $ 40,000,000 | $ 150,000,000 | $ 75,000,000 | 44,591,000 | $ 0 | $ 294,700 | $ 0 | $ 77,900 | $ 0 | $ 272,500 | 105,000,000 | ||||||||||||||||||||||||||||||||||||||
Fixed interest rate of Swap Agreement | 2.47% | 2.20% | 2.20% | ||||||||||||||||||||||||||||||||||||||||||||||||
Effective date of agreement | May 31, 2011 | Oct. 01, 2015 | Oct. 01, 2015 | May 28, 2013 | May 28, 2013 | ||||||||||||||||||||||||||||||||||||||||||||||
Termination date of derivative | May 31, 2013 | Sep. 30, 2018 | Sep. 30, 2018 | Jun. 19, 2014 | Jun. 19, 2014 | Jul. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2012 | Dec. 31, 2012 | Mar. 31, 2013 | May 21, 2013 | Mar. 31, 2014 | Dec. 31, 2015 | ||||||||||||||||||||||||||||||||||||||
Unrealized gain (loss) on derivative | 643,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Fair value of interest expense | 418,000 | 787,000 | 284,000 | ||||||||||||||||||||||||||||||||||||||||||||||||
Fair value of derivative liability | 0 | (418,000) | 0 | (42,000) | (6,000) | (6,000) | (1,475,000) | ||||||||||||||||||||||||||||||||||||||||||||
Fair value interest rate swaps | (935,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||
Unfavorable change in fair value since the inception | 935,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||
LIBOR interest rate | 1.25% | 1.25% | |||||||||||||||||||||||||||||||||||||||||||||||||
Fair value of interest rate caps | 53,000 | 53,000 | |||||||||||||||||||||||||||||||||||||||||||||||||
Unrealized loss recognized on derivatives | (81,000) | ||||||||||||||||||||||||||||||||||||||||||||||||||
Quantity of derivative instrument | 35 | 10 | 35 | ||||||||||||||||||||||||||||||||||||||||||||||||
Price of copper | 8.42 | 7.79 | 7.785 | ||||||||||||||||||||||||||||||||||||||||||||||||
Fair value of derivative asset | 17,000 | 1,247,000 | |||||||||||||||||||||||||||||||||||||||||||||||||
Forward exchange rate | 1.02940 | 1.08210 | 0.9989 | 1.06800 | 1.17400 | ||||||||||||||||||||||||||||||||||||||||||||||
Increase in other expense | 1,138,000 | 42,000 | |||||||||||||||||||||||||||||||||||||||||||||||||
Notional amount of derivative contracts outstanding | 31,032,000 | 26,856,000 | |||||||||||||||||||||||||||||||||||||||||||||||||
Increase in other income | $ 1,289,000 |