Acquisitions and Divestitures (Acquired Intangible Assets and Weighted Average Amortization Periods) (Details) - Akron Brass $ in Thousands	Mar. 16, 2016 USD ($)
Acquired Indefinite-lived Intangible Assets [Line Items]
Indefinite lived - Akron Brass trade name	$ 28,800
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	186,616
Total acquired intangible assets	215,416
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 14,423
Acquired intangible assets, Weighted Average Life	15 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 130,598
Acquired intangible assets, Weighted Average Life	13 years
Unpatented technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 41,595
Acquired intangible assets, Weighted Average Life	13 years