Acquisitions and Divestitures (Allocation of Acquisition Costs to Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Aug. 31, 2016	Jul. 01, 2016	Mar. 16, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Current assets, net of cash acquired		$ 98,011
Property, plant and equipment		25,608
Goodwill	$ 1,662,892	280,204			$ 1,396,529
Intangible assets		215,416
Deferred income taxes		2,524
Total assets acquired		621,763
Current liabilities		(24,701)
Deferred tax liability		(66,695)
Other noncurrent liabilities		(20,366)
Net assets acquired		510,001
Akron Brass
Business Acquisition [Line Items]
Current assets, net of cash acquired				$ 44,126
Property, plant and equipment				12,195
Goodwill				125,090
Intangible assets				90,400
Deferred income taxes				0
Total assets acquired				271,811
Current liabilities				(7,081)
Deferred tax liability				(36,886)
Other noncurrent liabilities				(6,445)
Net assets acquired				$ 221,399
AWG Fittings GmbH (AWG)
Business Acquisition [Line Items]
Current assets, net of cash acquired			$ 18,317
Property, plant and equipment			6,847
Goodwill			22,733
Intangible assets			10,279
Deferred income taxes			2,524
Total assets acquired			60,700
Current liabilities			(4,762)
Deferred tax liability			0
Other noncurrent liabilities			(8,444)
Net assets acquired			$ 47,494
SFC-Koenig AG (SFC)
Business Acquisition [Line Items]
Current assets, net of cash acquired		35,568
Property, plant and equipment		6,566
Goodwill		132,381
Intangible assets		114,737
Deferred income taxes		0
Total assets acquired		289,252
Current liabilities		(12,858)
Deferred tax liability		(29,809)
Other noncurrent liabilities		(5,477)
Net assets acquired		$ 241,108