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Acquisition (Pro Forma Financial Information) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
	Apr. 02, 2011	Mar. 31, 2012
Business Combinations [Abstract]
Revenue	$ 297.2	$ 581.7
Net income	$ 22.9	$ 35.4
Earnings per share-Basic	$ 0.19	$ 0.30
Earnings per share-Diluted	$ 0.19	$ 0.29

- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details

- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details