Stock-Based Compensation (Details 3) (USD $)	12 Months Ended
	Apr. 01, 2012 Y	Apr. 03, 2011 Y	Mar. 28, 2010 Y
Stock Options [Member]
Weighted-average fair values and underlying assumptions
Fair value	$ 5.73	$ 6.62	$ 5.31
Expected volatility	36.00%	38.00%	38.00%
Risk-free interest rate	1.80%	2.10%	2.20%
Expected life (years)	5.5	5.3	5.0
Dividend yield
Employee Stock Purchase Plan [Member]
Weighted-average fair values and underlying assumptions
Fair value	$ 3.49	$ 3.95	$ 3.50
Expected volatility	36.00%	36.00%	42.00%
Risk-free interest rate	0.10%	0.20%	0.10%
Expected life (years)	0.25	0.25	0.25
Dividend yield