Acquisitions - Other Acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Feb. 27, 2020
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 84,270		$ 22,270
Net sales	182,790		173,370
Non-cash purchase accounting related expenses			1,000
RSA Engineered Products [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	84,300
Business Combinations, Assets Acquired and Liabilities Assumed, Goodwill and Intangible Assets						$ 80,200
Business Combination, Recognized Identifiable Assets and Liabilities Assumed, Net Working Capital						10,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment						2,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities						$ 8,700
Net sales				$ 30,000
Taplast S.p.A. [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 44,700
Net sales					$ 32,000
Plastic Srl [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired			22,400
Net sales					$ 12,000
Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
Non-cash purchase accounting related expenses			900
Cost of Sales [Member]
Business Acquisition [Line Items]
Non-cash purchase accounting related expenses			$ 100
Cost of Sales [Member] | RSA Engineered Products [Member]
Business Acquisition [Line Items]
Non-cash purchase accounting related expenses	$ 500