CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jan. 01, 2012	Jan. 02, 2011
Operating Activities:
Net income	$ 3,916	$ 786
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,027	17,142
Amortization of deferred debt issuance costs	200	585
Stock-based compensation	2,306	423
Gain on disposal of assets		(46)
Write-off of abandoned projects		159
Deferred income taxes	(1,016)	(996)
Change in operating assets and liabilities that provided (used) cash:
Receivables	548	376
Inventories	125	1,012
Prepaid expenses and other current assets	(2,162)	(1,068)
Income taxes and other long term liabilities	326	(1,187)
Other assets	133	(178)
Accounts payable	4,411	2,231
Accrued expenses and deferred obligations under operating leases	1,467	(1,779)
Net cash provided by operating activities	25,234	17,414
Investing Activities:
Expenditures for property and equipment and computer software	(7,084)	(6,791)
Proceeds from sale of property and equipment and computer software		48
Sale of investment securities, available for sale, net	64	86
Net cash used in investing activities	(7,020)	(6,657)
Financing Activities:
Borrowings on line of credit	22,746	80,759
Repayments on line of credit	(28,435)	(90,322)
Dividends paid on Series B preferred stock	(630)	(747)
Payment by the Company for payroll taxes withheld from the employee by withholding Class A common stock as treasury shares upon vesting of restricted shares	(99)
Proceeds from issuance of common stock and Class A common stock upon exercise of stock options	345	292
Net cash used in financing activities	(6,026)	(9,935)
Net increase in cash and cash equivalents	12,188	822
Cash and cash equivalents, beginning of period	4,038	2,558
Cash and cash equivalents, end of period	16,226	3,380
Cash paid during the ten periods:
Interest	137	798
Income taxes	1,510	221
Noncash investing and financing activities:
Acquired property and equipment for which cash payments had not yet been made	1,710	458
Conversion of Series B preferred stock into Common Stock	(19,756)
Reclassification of Class A Common Stock to Common Stock	(1,096)
Accrued but unpaid dividends on the Series B preferred stock		257
Change in unrealized (gain) loss on investment securities available for sale, net of tax	(30)	46
Stock Option [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Tax benefit from share-based compensation, operating activities	(10)	(46)
Financing Activities:
Tax benefit from share-based compensation, financing activities	10	83
Restricted Class A Common Stock [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Tax benefit from share-based compensation, operating activities	(37)
Financing Activities:
Tax benefit from share-based compensation, financing activities	$ 37