Acquisitions and Divestitures (Acquired Intangible Assets and Weighted Average Amortization Periods) (Details) - Akron Brass $ in Thousands	Mar. 16, 2016 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 59,300
Indefinite lived - Akron Brass trade name	32,800
Total acquired intangible assets	92,100
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 2,900
Acquired intangible assets, Weighted Average Life	15 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 43,500
Acquired intangible assets, Weighted Average Life	14 years
Unpatented technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 12,900
Acquired intangible assets, Weighted Average Life	9 years