Goodwill and Intangible Assets - Schedule of Gross Carrying Value and Accumulated Amortization for Each Major Class of Intangible Asset (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 501,407	$ 476,191
Intangible assets - Gross Carrying Amount	592,307	567,091
Amortized intangible assets - Accumulated Amortization	(201,399)	(183,764)
Amortized intangible assets - Net	300,008	292,427
Intangible assets - Net	390,908	383,327
Banjo trade name
Goodwill And Intangible Assets [Line Items]
Indefinite lived intangible assets - Net	62,100	62,100
Akron Brass trade name
Goodwill And Intangible Assets [Line Items]
Indefinite lived intangible assets - Net	28,800	28,800
Patents
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	6,583	6,468
Amortized intangible assets - Accumulated Amortization	(5,135)	(4,693)
Amortized intangible assets - Net	$ 1,448	1,775
Amortized intangible assets - Weighted Average Life	12 years
Trade names
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 120,744	115,899
Amortized intangible assets - Accumulated Amortization	(62,299)	(57,227)
Amortized intangible assets - Net	$ 58,445	58,672
Amortized intangible assets - Weighted Average Life	16 years
Customer relationships
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 273,413	256,202
Amortized intangible assets - Accumulated Amortization	(92,692)	(85,652)
Amortized intangible assets - Net	$ 180,721	170,550
Amortized intangible assets - Weighted Average Life	14 years
Unpatented technology
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 99,967	96,922
Amortized intangible assets - Accumulated Amortization	(40,713)	(35,685)
Amortized intangible assets - Net	$ 59,254	61,237
Amortized intangible assets - Weighted Average Life	12 years
Other
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 700	700
Amortized intangible assets - Accumulated Amortization	(560)	(507)
Amortized intangible assets - Net	$ 140	$ 193
Amortized intangible assets - Weighted Average Life	10 years