Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019
Property, Plant and Equipment [Line Items]
Operating lease right-of-use assets	$ 98,774	$ 0		$ 66,400
Present value of operating lease liabilities	101,541			69,000
Cash outflow from operations	269,525	156,608	$ 152,702
Cash outflow from financing activities	254,971	135,066	(66,948)
Accounting Standards Update 2016-15
Property, Plant and Equipment [Line Items]
Cash outflow from operations		2,400	1,700
Cash outflow from financing activities		(2,400)	(1,700)
Selling, General and Administrative Expenses
Property, Plant and Equipment [Line Items]
Shipping, and handling costs	$ 77,300	$ 83,200	$ 68,600
Minimum | Accounting Standards Update 2016-02
Property, Plant and Equipment [Line Items]
Operating lease right-of-use assets				65,000
Present value of operating lease liabilities				60,000
Maximum | Accounting Standards Update 2016-02
Property, Plant and Equipment [Line Items]
Operating lease right-of-use assets				75,000
Present value of operating lease liabilities				$ 75,000