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Stock-based Compensation (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
Stock-based Compensation (Details) (USD $) In Millions	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Summary of the total compensation expense recorded within SG&A expenses and the associated income tax benefits recognized related to stock-based compensation arrangements
Compensation expense	$ 16.1	$ 15.3	$ 34.0	$ 30.8
Income tax benefit	$ (5.5)	$ (5.5)	$ (11.9)	$ (11.3)

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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