General basket for dividend payments.

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Debt instrument basis spread on base rate.

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Debt Instrument, Basis Spread On Fixed Rate

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Amount of the fee that accompanies borrowing money under the debt instrument.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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DEBT - CREDIT FACILITY (Detail) - USD ($)		1 Months Ended		12 Months Ended
DEBT - CREDIT FACILITY (Detail) - USD ($)	Dec. 31, 2015	Sep. 30, 2015	Aug. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total debt outstanding principal	$ 1,033,163,000			$ 1,033,163,000	$ 884,533,000
Repayment of debt				586,370,000	37,572,000	$ 47,896,000
Return-of-capital distribution		$ 215,000,000		$ 254,401,000	37,610,000	$ 0
Mandatory repayment percentage				50.00%
Interest Rate Cap [Member]
Debt Instrument [Line Items]
Interest expense				$ 1,100,000
Interest Rate Cap Expiration Date One [Member]
Debt Instrument [Line Items]
Cap interest rate	1.50%			1.50%
Interest Rate Cap Expiration Date One [Member] \| Interest Rate Cap [Member]
Debt Instrument [Line Items]
Notional amount involved	$ 190,000,000			$ 190,000,000
Interest Rate Cap Expiration Date Two [Member]
Debt Instrument [Line Items]
Cap interest rate	2.00%			2.00%
Interest Rate Cap Expiration Date Two [Member] \| Interest Rate Cap [Member]
Debt Instrument [Line Items]
Notional amount involved	$ 200,000,000			$ 200,000,000
Interest Rate Cap Expiration Date Three [Member]
Debt Instrument [Line Items]
Cap interest rate	2.00%			2.00%
Interest Rate Cap Expiration Date Three [Member] \| Interest Rate Cap [Member]
Debt Instrument [Line Items]
Notional amount involved	$ 300,000,000			$ 300,000,000
New Credit Facilities [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Total debt outstanding principal			$ 735,000,000
Original issue discount percentage			99.00%
Original issue discount			$ 7,400,000
Debt issuance cost			9,200,000
Amortization of debt discount			6,800,000
Customary fees			16,600,000
Percentage of original principal amount to be repaid quarterly	0.25%			0.25%
Effective interest rate	5.70%			5.70%
Restricted payments starter amount				$ 75,000,000
General basket for dividend payments				$ 50,000,000
Percentage of EBITDA				20.50%
New Credit Facilities [Member] \| Secured Debt [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
LIBOR floor interest rate				1.00%
Variable rate floor				1.00%
Applicable margin on LIBOR floor rate				4.00%
New Credit Facilities [Member] \| Secured Debt [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Variable rate floor				2.00%
New Credit Facilities [Member] \| Secured Debt [Member] \| Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Applicable margin on LIBOR floor rate				3.00%
New Credit Facilities [Member] \| Secured Debt [Member] \| Libor Floor Rate [Member]
Debt Instrument [Line Items]
LIBOR floor interest rate	1.00%
New Credit Facilities [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Amount allowable to borrow			80,000,000
Prior Credit Facilities [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Repayment of debt			554,500,000
Amortization of debt discount			3,700,000
Amended Term B-1 Loan [Member]
Debt Instrument [Line Items]
Total debt outstanding principal	$ 0			$ 0	452,533,000
Amended Term B-1 Loan [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Total debt outstanding principal			449,000,000
Amended Term B-1 Loan [Member] \| Secured Debt [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Applicable margin on LIBOR floor rate				3.50%
Amended Term B-2 Loan [Member]
Debt Instrument [Line Items]
Total debt outstanding principal	0			$ 0	132,000,000
Amended Term B-2 Loan [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Total debt outstanding principal			105,500,000
Amended Term B-2 Loan [Member] \| Secured Debt [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Applicable margin on LIBOR floor rate				3.00%
New and Prior Credit Facilities [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Additional interest expense			$ 10,500,000
Line of Credit [Member] \| New Credit Facilities [Member]
Debt Instrument [Line Items]
Federal fund rate				0.50%
Line of Credit [Member] \| New Credit Facilities [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Amount allowable to borrow	$ 100,000,000			$ 100,000,000
Basis spread on fixed rate				3.75%
Percentages of commitment fee				0.50%
Commitment fee percentage decreases				0.375%
First lien leverage ratio	4.0			4.0
Long-term Line of Credit	$ 0			$ 0
Utilization of total commitments percentage				30.00%
Line of Credit [Member] \| New Credit Facilities [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
First lien leverage ratio	1.70			1.70
Line of Credit [Member] \| New Credit Facilities [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Total net secured leverage ratio	3.0			3.0
Line of Credit [Member] \| New Credit Facilities [Member] \| Revolving Credit Facility [Member] \| Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Base rate				2.75%
Line of Credit [Member] \| New Credit Facilities [Member] \| Swingline of Credit [Member]
Debt Instrument [Line Items]
Amount allowable to borrow	$ 25,000,000			$ 25,000,000
Line of Credit [Member] \| New Credit Facilities [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Amount allowable to borrow	50,000,000			50,000,000
Letters of credit excluded maximum	$ 10,000,000			$ 10,000,000
Line of Credit [Member] \| Prior Credit Facilities [Member]
Debt Instrument [Line Items]
Effective interest rate	5.90%			5.90%
Line of Credit [Member] \| Prior Credit Facilities [Member] \| Libor Floor Rate [Member]
Debt Instrument [Line Items]
LIBOR floor interest rate				1.00%
Senior Notes [Member]
Debt Instrument [Line Items]
Total debt outstanding principal	$ 300,000,000			$ 300,000,000
Senior Notes [Member] \| Senior Notes Due December 2020 [Member]
Debt Instrument [Line Items]
Total debt outstanding principal	$ 300,000,000			$ 300,000,000	$ 300,000,000
Debt instrument interest rate percentage	11.00%			11.00%
Days prior to maturity				91 days
Effective interest rate	12.00%			12.00%