Debt - Additional Information (Detail) - USD ($)			12 Months Ended
	Aug. 20, 2013	Nov. 10, 2011	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Debt issuance cost paid				$ 4,662,000	$ 17,042,000
Credit facility, interest rate description			The applicable margin for borrowings under the Revolving Credit Facility is, based on the calculation of the applicable consolidated total leverage ratio, between 0.50% to 1.50% with respect to base rate borrowings and between 1.50% and 2.50% with respect to LIBOR based borrowings. Interest is due and payable monthly. The interest rate in effect at December 31, 2015 for the Credit Facility was 2.68%.
Credit facility, interest rate margin above federal fund rate			1.00%
Credit facility, interest rate margin above one-month LIBOR rate			1.00%
Credit facility, borrowing rate			2.68%
Credit Facility maturity date			Aug. 20, 2018
Senior Notes [Member]
Debt Instrument [Line Items]
Senior notes amount outstanding	$ 300,000,000		$ 300,000,000
Debt issuance cost incurred	$ 6,100,000
Debt issuance cost paid				200,000	5,900,000
Issue price percentage of senior notes of the principal amount	100.00%
Percentage of interest rate on notes	6.375%
Maturity date of senior notes	Aug. 20, 2020
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility amount outstanding			178,000,000
Unused borrowings			72,000,000
Term Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility amount outstanding			$ 460,600,000
Term Credit Facility [Member]
Debt Instrument [Line Items]
Debt issuance cost incurred						$ 28,600,000
Debt issuance cost paid				4,500,000	$ 24,100,000
Credit Agreement | Minimum
Debt Instrument [Line Items]
Credit facility, interest rate margin above base rate			0.50%
Credit facility, interest rate margin above LIBOR rate			1.50%
Credit Agreement | Maximum
Debt Instrument [Line Items]
Credit facility, interest rate margin above base rate			1.50%
Credit facility, interest rate margin above LIBOR rate			2.50%
Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity		$ 250,000,000
Credit facilities, maturity		5 years
Credit Agreement | Term Credit Facility [Member]
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity		$ 650,000,000
Credit facilities, maturity		5 years
License Agreement [Member]
Debt Instrument [Line Items]
Financed internally-used software			$ 20,400,000			$ 14,800,000
License agreement period			3 years			5 years
Total other liabilities			$ 20,200,000	6,300,000
Other current liabilities			11,700,000	3,100,000
Other noncurrent liabilities			$ 8,500,000	$ 3,200,000
License Agreement [Member] | Due In Five Years [Member]
Debt Instrument [Line Items]
Annual payments due date			Through April 2016
License Agreement [Member] | Due In Three Years [Member]
Debt Instrument [Line Items]
Annual payments due date			Through November 2018
Parent Company and Domestic Subsidiaries [Member]
Debt Instrument [Line Items]
Percentage of capital stock pledged as collateral			100.00%
Foreign Subsidiaries [Member]
Debt Instrument [Line Items]
Percentage of capital stock pledged as collateral			65.00%