Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid income taxes	$ 31,045	$ 44,631
Other prepaid expenses	43,751	37,669
Other current assets	48,432	46,681
Total	$ 123,228	$ 128,981