Segments - Schedule of Company's Segment Results (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016		Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Revenues, net	$ 541,237	$ 417,905	[1]	$ 1,061,670	$ 832,167	[1]
Operating income	216,043	171,168	[1]	411,111	347,123	[1]
Depreciation and amortization	64,709	48,436	[1]	129,575	84,764	[1]
Capital expenditures	17,804	13,018		32,600	24,757	[2]
North America
Segment Reporting Information [Line Items]
Revenues, net	342,995	301,126		672,943	604,674
Operating income	134,926	117,611		255,898	231,461
Depreciation and amortization	33,384	32,180		66,561	63,612
Capital expenditures	12,102	8,579		21,734	16,521
International
Segment Reporting Information [Line Items]
Revenues, net	198,242	116,779		388,727	227,493
Operating income	81,117	53,557		155,213	115,662
Depreciation and amortization	31,325	16,256		63,014	21,152
Capital expenditures	$ 5,702	$ 4,439		$ 10,866	$ 8,236

[1] Reflects the impact of the Company's adoption of Accounting Standards Update 2016-09, Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting, to simplify several aspects of the accounting for share-based compensation, including the income tax consequences.

[2] Reflects the impact of the Company's adoption of Accounting Standards Update 2016-09, Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting, to simplify several aspects of the accounting for share-based compensation, including the income tax consequences.