Acquisition Acquisition - SPG Purchase Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Jun. 25, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2018
Business Acquisition
Goodwill		$ 695,044	$ 550,202	$ 359,688
Payments to Acquire Businesses, Net of Cash Acquired		277,369	380,694	$ 20,000
SPG acquisition
Business Acquisition
Goodwill	$ 184,200	184,180			$ 162,251
Inventories, net	$ 42,800	42,758			46,073
Business Acquisition, Date of Acquisition Agreement	Jun. 25, 2018
Payments to Acquire Businesses, Gross	$ 352,700
Payments to Acquire Businesses, Net of Cash Acquired	341,500
Business Acquisition Transaction Costs		4,800
Inventory fair value step-up	8,900
Amortization of Inventory Step-up		2,000	$ 6,900
Property, plant and equipment, net	6,700	$ 6,653			$ 7,345
Business Acquisition, Goodwill, Expected Tax Deductible Amount	$ 0