Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jan. 28, 2017	Jan. 30, 2016
Operating Activities:
Net income	$ 77,884	$ 43,661
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	9,600	9,071
Deferred income tax benefit	(189)	(21)
Gain on sale of property, net	(5)	(36)
Stock-based compensation	146	182
Changes in assets and liabilities:
Trade receivables	(7,664)	398
Inventories	(518)	(1,398)
Prepaid and other assets	(1,703)	(194)
Accounts payable	282	(7,231)
Accrued and other liabilities	3,586	5,390
Net cash provided by operating activities	81,419	49,822
Investing Activities:
Additions to property, plant and equipment	(11,834)	(7,817)
Proceeds from sale of property, plant and equipment	15	43
Net cash used in investing activities	(11,819)	(7,774)
Financing Activities:
Dividends paid on common stock	(69,850)
Dividends paid on preferred stock		(112)
Repayments under credit facilities		(10,000)
Proceeds from stock options exercised	186	682
Stock-based tax benefits	153	1,027
Net cash used in financing activities	(69,511)	(8,403)
Net Increase in Cash and Equivalents	89	33,645
Cash and Equivalents - Beginning of Period	105,577	52,456
Cash and Equivalents - End of Period	105,666	86,101
Other Cash Flow Information:
Interest paid	165	91
Income taxes paid	$ 40,389	$ 21,761