Annual report pursuant to Section 13 and 15(d)

Schedule II -Valuation Accounts (Detail)

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Schedule II -Valuation Accounts (Detail) (USD $)
In Thousands, unless otherwise specified
5 Months Ended 7 Months Ended 12 Months Ended 5 Months Ended 7 Months Ended 12 Months Ended
May 28, 2010
Allowance for Doubtful Accounts [Member]
Predecessor [Member]
Dec. 31, 2010
Allowance for Doubtful Accounts [Member]
Successor [Member]
Dec. 31, 2012
Allowance for Doubtful Accounts [Member]
Successor [Member]
Dec. 31, 2011
Allowance for Doubtful Accounts [Member]
Successor [Member]
May 28, 2010
Allowance for Obsolete/Excess Inventory [Member]
Predecessor [Member]
Dec. 31, 2010
Allowance for Obsolete/Excess Inventory [Member]
Successor [Member]
Dec. 31, 2012
Allowance for Obsolete/Excess Inventory [Member]
Successor [Member]
Dec. 31, 2011
Allowance for Obsolete/Excess Inventory [Member]
Successor [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]                
Balance $ 514   $ 641 $ 520 $ 7,145   $ 7,406 $ 11,010
Additions charged to cost and expense 26 18 643 81 954 553 1,264 395
Deductions from Merger Transaction               (2,279)
Additions from Merger Transaction           951    
Deductions from acquired company       98       (193)
Additions from acquired company   59       2,411    
Others 8 89 179 58 21 983 1,726 1,527
Balance $ 532 $ 520 $ 1,105 $ 641 $ 8,078 $ 11,010 $ 6,944 $ 7,406