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	$ 61,600
Indefinite lived - Akron Brass trade name	28,800
Total acquired intangible assets	90,400
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 4,200
Acquired intangible assets, Weighted Average Life	15 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 44,800
Acquired intangible assets, Weighted Average Life	14 years
Unpatented technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 12,600
Acquired intangible assets, Weighted Average Life	9 years