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, 2018	Dec. 31, 2017
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 530,535	$ 536,160
Intangible assets - Gross Carrying Amount	621,435	627,060
Amortized intangible assets - Accumulated Amortization	(213,247)	(212,314)
Amortized intangible assets - Net	317,288	323,846
Intangible assets - Net	408,188	414,746
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	9,644	9,633
Amortized intangible assets - Accumulated Amortization	(7,355)	(7,143)
Amortized intangible assets - Net	$ 2,289	2,490
Amortized intangible assets - Weighted Average Life	11 years
Trade names
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 118,575	117,206
Amortized intangible assets - Accumulated Amortization	(52,945)	(50,604)
Amortized intangible assets - Net	$ 65,630	66,602
Amortized intangible assets - Weighted Average Life	16 years
Customer relationships
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 308,857	317,316
Amortized intangible assets - Accumulated Amortization	(120,749)	(124,566)
Amortized intangible assets - Net	$ 188,108	192,750
Amortized intangible assets - Weighted Average Life	13 years
Unpatented technology
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 92,759	91,166
Amortized intangible assets - Accumulated Amortization	(31,743)	(29,428)
Amortized intangible assets - Net	$ 61,016	61,738
Amortized intangible assets - Weighted Average Life	13 years
Other
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 700	839
Amortized intangible assets - Accumulated Amortization	(455)	(573)
Amortized intangible assets - Net	$ 245	$ 266
Amortized intangible assets - Weighted Average Life	10 years