Goodwill and Intangible Assets - Schedule of Gross Carrying Value and Accumulated Amortization for Each Major Class of Intangible Asset (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 474,915	$ 476,191
Intangible assets - Gross Carrying Amount	565,815	567,091
Amortized intangible assets - Accumulated Amortization	(193,075)	(183,764)
Amortized intangible assets - Net	281,840	292,427
Intangible assets - Net	372,740	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	6,528	6,468
Amortized intangible assets - Accumulated Amortization	(4,839)	(4,693)
Amortized intangible assets - Net	$ 1,689	1,775
Amortized intangible assets - Weighted Average Life	12 years
Trade names
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 115,788	115,899
Amortized intangible assets - Accumulated Amortization	(59,109)	(57,227)
Amortized intangible assets - Net	$ 56,679	58,672
Amortized intangible assets - Weighted Average Life	16 years
Customer relationships
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 254,923	256,202
Amortized intangible assets - Accumulated Amortization	(90,430)	(85,652)
Amortized intangible assets - Net	$ 164,493	170,550
Amortized intangible assets - Weighted Average Life	14 years
Unpatented technology
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 96,976	96,922
Amortized intangible assets - Accumulated Amortization	(38,172)	(35,685)
Amortized intangible assets - Net	$ 58,804	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	(525)	(507)
Amortized intangible assets - Net	$ 175	$ 193
Amortized intangible assets - Weighted Average Life	10 years