Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 4,370	$ 6,548	$ 8,007	$ 12,446
Effective tax rate	38.00%	30.60%	38.00%	33.70%
Income before provision for income taxes	11,503	21,392	21,072	36,913
Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Decrease in tax provision due to tax settlement from audit				$ 1,579