Stock-Based Compensation (Narrative) (Details) (USD $) In Millions, except Per Share data	3 Months Ended
	Jul. 03, 2011
Stock options granted, shares	1.4
Weighted average grant date fair values per share, options granted for purchase of common stock	$ 5.83
Weighted average grant date fair values per share, restricted stock units granted	$ 15.71
Restricted Stock Units (RSUs) [Member]
Restricted stock units granted, shares	1.4
Restricted Stock Units With Performance Conditions [Member]
Restricted stock units granted, shares	0.2