Leases - Schedule of Adjustments for New Lease Guidance (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid expenses and other current assets	$ 122,839	$ 112,981	$ 113,234
Other intangible assets, net	826,144	895,681	897,191
Other assets	139,524	145,386	86,890
Accrued expenses and other current liabilities	211,870	230,249	218,130
Other long-term liabilities	$ 86,990	83,891	$ 39,277
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid expenses and other current assets		(253)
Other intangible assets, net		(1,510)
Other assets		58,496
Accrued expenses and other current liabilities		12,119
Other long-term liabilities		$ 44,614