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Business Acquisitions (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2012
TayMac [Member]
Mar. 31, 2012
Cableform [Member]
Business Acquisition [Line Items]    
Intangible assets $ 18.4 $ 4.5
Goodwill 15.8 4.5
Total cash consideration $ 42.1 $ 10.9