Acquisitions and Divestitures - Additional Information (Details) $ in Thousands, € in Millions												3 Months Ended								6 Months Ended	12 Months Ended
	Aug. 31, 2016 EUR (€)	Aug. 31, 2016 USD ($)	Jul. 01, 2016 EUR (€)	Jul. 01, 2016 USD ($)	Mar. 16, 2016 USD ($)	Dec. 01, 2015 USD ($)	Jul. 01, 2015 USD ($)	Jun. 10, 2015 EUR (€)	Jun. 10, 2015 USD ($)	May 29, 2015 EUR (€)	May 29, 2015 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Apr. 28, 2014 USD ($)
Business Acquisition [Line Items]
Revenues												$ 530,419	$ 530,356	$ 549,696	$ 502,572	$ 499,798	$ 503,791	$ 514,881	$ 502,198		$ 2,113,043		$ 2,020,668	$ 2,147,767
Goodwill		$ 290,393										$ 1,632,592				1,396,529					1,632,592		1,396,529	1,321,277
Intangible assets		217,677
Contingent consideration for acquisition																					0		4,705	0
Assets acquired		510,001
Selling, general and administrative expenses
Business Acquisition [Line Items]
Acquisition related costs																					4,700		2,600	1,700
Cost of goods sold
Business Acquisition [Line Items]
Fair value of inventory charges associated with acquisitions																					14,700		3,400	$ 1,300
Akron Brass
Business Acquisition [Line Items]
Revenues																					120,000
Business combination, cash consideration paid					$ 221,400
Goodwill					124,643
Intangible assets					90,400
Indefinite-lived Intangible assets acquired					28,800
Assets acquired					$ 221,399
AWG Fittings
Business Acquisition [Line Items]
Revenues																					40,000
Business combination, cash consideration paid			€ 42.8	$ 47,500
Goodwill				22,031
Intangible assets				10,279
Assets acquired				$ 47,494
SFC-Koenig
Business Acquisition [Line Items]
Revenues																					$ 63,000
Business combination, cash consideration paid	€ 215.9	241,100
Goodwill		143,719
Intangible assets		116,998
Assets acquired		$ 241,108
Novotema
Business Acquisition [Line Items]
Business combination, cash consideration paid										€ 56.0	$ 61,100
Goodwill											34,316
Intangible assets											20,011					20,000							20,000
Assets acquired											$ 61,098
Alfa Valvole
Business Acquisition [Line Items]
Business combination, cash consideration paid								€ 99.8	$ 112,600
Goodwill									69,568
Intangible assets									32,058							32,100							32,100
Assets acquired									$ 112,590
CPS
Business Acquisition [Line Items]
Business combination, cash consideration paid							$ 19,500
Goodwill							9,739
Intangible assets							12,290									$ 12,300							$ 12,300
Aggregate purchase price							24,200
Business combination, range of outcomes, value, high							4,700
Assets acquired							24,180
CPS | Minimum
Business Acquisition [Line Items]
Contingent consideration for acquisition							0
CPS | Maximum
Business Acquisition [Line Items]
Contingent consideration for acquisition							$ 5,500
CPS | Selling, general and administrative expenses
Business Acquisition [Line Items]
Change in amount of contingent consideration, liability														$ 1,000	$ 3,700					$ 4,700		$ 4,700
Complementary Product Line
Business Acquisition [Line Items]
Goodwill						$ 700
Aggregate purchase price						$ 1,900
Aegis
Business Acquisition [Line Items]
Goodwill																									$ 7,711
Intangible assets																									8,770
Assets acquired																									25,445
Goodwill, deductible for tax purposes																									$ 7,700