Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	[1]
Goodwill and Intangible Assets Disclosure [Abstract]
Impact of foreign exchange rates on intangible assets	$ 14,000
Amortization expense of intangible assets	$ 104,894	$ 66,114

[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.