Acquisitions (Acquired Intangible Assets and Weighted Average Amortization Periods) (Details) (Aegis Flow Technologies [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
	Apr. 28, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 8,770
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	3,304
Acquired intangible assets, Weighted Average Life	15 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	4,393
Acquired intangible assets, Weighted Average Life	14 years
Unpatented technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 1,073
Acquired intangible assets, Weighted Average Life	8 years