Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Sep. 24, 2011	Sep. 25, 2010	Sep. 24, 2011	Sep. 25, 2010
Income Taxes [Abstract]
Income tax expense (benefit)	$ 6,751,000	$ (1,598,000)	$ 12,046,000	$ (1,443,000)
Pre-tax income	17,998,000	29,276,000	32,471,000	47,033,000
Increase in deferred tax assets		2,200,000
Effective tax rate	37.50%	5.50%	37.10%	3.10%
Unrecognized tax benefit	0		0
Accrued interest and penalties	0		0
Interest and penalties incurred during period			$ 0