Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Summary of Long-Term Debt (Detail)

v3.3.1.900
Long-Term Debt - Summary of Long-Term Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Jun. 30, 2014
Debt Instrument [Line Items]      
Long-term debt $ 900,277 $ 877,857  
Less: amounts due in one year 5,717 5,707  
Long-term debt 894,560 872,150  
Line of Credit | Revolving Credit Facility      
Debt Instrument [Line Items]      
Long-term debt 28,000 0  
Term B Loan      
Debt Instrument [Line Items]      
Long-term debt 541,750 547,250  
6.375% Senior Notes      
Debt Instrument [Line Items]      
Long-term debt $ 330,000 $ 330,000  
Interest rate on Senior Notes 6.375% 6.375% 6.375%
Capital Leases and Other Obligations      
Debt Instrument [Line Items]      
Long-term debt $ 527 $ 607