Debt - Additional Information (Detail) - USD ($)					3 Months Ended	9 Months Ended
	Sep. 23, 2015	Aug. 28, 2015	Aug. 19, 2015	Aug. 14, 2015	Sep. 30, 2015	Sep. 30, 2015
Line of Credit Facility [Line Items]
Loss on early extinguishment of debt					$ (19,589,000)	$ (19,589,000)
Redemption premium						14,300,000
Write-off of unamortized deferred financing costs						4,900,000
Revolving line of credit					220,000,000	$ 220,000,000
Senior Notes Due 2020
Line of Credit Facility [Line Items]
Debt redemption price for each $1000 principal amount	$ 1,033.75
Debt aggregate principal amount	$ 1,000
Debt maturity date				Aug. 27, 2015
Repayment of debt		$ 192,900,000
Debt redemption period start date	Sep. 01, 2015
Debt redemption amount	$ 207,100,000
Debt redemption period end date	Oct. 01, 2015
FS Asia Advisory Limited
Line of Credit Facility [Line Items]
Repayment of notes payable			$ 11,000,000
Tender Offer | Senior Notes Due 2020
Line of Credit Facility [Line Items]
Debt redemption price for each $1000 principal amount				$ 1,037.88
Debt aggregate principal amount				$ 1,000
Line of Credit Facility
Line of Credit Facility [Line Items]
Borrowing interest rate description						Borrowings will initially bear interest at LIBOR plus 1.75% per annum, in the case of LIBOR borrowings, or at the alternate base rate plus 0.75% per annum, in the case of base rate loans. After delivering the compliance certificate for the fiscal quarter ended September 30, 2015, the applicable margin will fluctuate between 1.375% per annum and 2.00% per annum, in the case of LIBOR borrowings, or between 0.375% per annum and 1.00% per annum, in the case of base rate borrowings, in each case, based upon the Company’s Consolidated Total Leverage Ratio (as defined in the 2015 Credit Agreement) at such time.
Line of credit, commitment fees on unused borrowing capacity						0.30%
Line of credit, fronting fees						1.75%
Line of Credit Facility | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate						1.75%
Line of Credit Facility | Base Rate
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate						0.75%
Line of Credit Facility | Minimum
Line of Credit Facility [Line Items]
Line of credit, commitment fees on unused borrowing capacity						0.25%
Line of credit, fronting fees						1.375%
Line of Credit Facility | Minimum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate						1.375%
Line of Credit Facility | Minimum | Base Rate
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate						0.375%
Line of Credit Facility | Maximum
Line of Credit Facility [Line Items]
Line of credit, commitment fees on unused borrowing capacity						0.35%
Line of credit, fronting fees						2.00%
Line of Credit Facility | Maximum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate						2.00%
Line of Credit Facility | Maximum | Base Rate
Line of Credit Facility [Line Items]
Revolving Credit Facility, percentage points added to the reference rate						1.00%
2015 Credit Facility
Line of Credit Facility [Line Items]
Senior secured revolving line of credit					550,000,000	$ 550,000,000
Line of credit, maturity date						Sep. 26, 2020
Former Credit Facility
Line of Credit Facility [Line Items]
Senior secured revolving line of credit					350,000,000	$ 350,000,000
Letter of Credit | Scenario, Forecast
Line of Credit Facility [Line Items]
Senior secured revolving line of credit					$ 100,000,000	$ 100,000,000
Letter of Credit | Scenario, Forecast | Minimum
Line of Credit Facility [Line Items]
Leverage ratio					350.00%	350.00%