Income Taxes (Components of the provision for income taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Current -
Federal	$ 28,262us-gaap_CurrentFederalTaxExpenseBenefit	$ 25,978us-gaap_CurrentFederalTaxExpenseBenefit	$ 22,366us-gaap_CurrentFederalTaxExpenseBenefit
State	2,956	1,579	2,266
Total	31,218us-gaap_CurrentIncomeTaxExpenseBenefit	27,557us-gaap_CurrentIncomeTaxExpenseBenefit	24,632us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred -
Federal	6,194	4,793	(101)
State	144	(273)	(274)
Total	6,338us-gaap_DeferredIncomeTaxExpenseBenefit	4,520us-gaap_DeferredIncomeTaxExpenseBenefit	(375)us-gaap_DeferredIncomeTaxExpenseBenefit
Income Tax Expense (Benefit), Total	$ 37,556us-gaap_IncomeTaxExpenseBenefit	$ 32,077us-gaap_IncomeTaxExpenseBenefit	$ 24,257us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.