Segment Information, Income Statement Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jan. 24, 2015	Jan. 25, 2014	Jan. 24, 2015	Jan. 25, 2014
Segment Information
Sales	$ 357,876	$ 346,525	$ 1,050,457	$ 1,004,298
Operating Income (Loss)	26,928	25,884	73,611	66,767
Upholstery Segment
Segment Information
Sales	243,390	242,492	725,590	710,162
Casegoods Segment
Segment Information
Sales	24,134	23,417	75,542	72,339
Retail Segment
Segment Information
Sales	89,791	80,212	247,285	219,845
Operating Segments | Upholstery Segment
Segment Information
Sales	286,336	280,272	846,462	813,345
Operating Income (Loss)	31,479	31,560	86,103	86,547
Operating Segments | Casegoods Segment
Segment Information
Sales	26,000	25,754	83,811	79,510
Operating Income (Loss)	860	394	5,380	2,014
Operating Segments | Retail Segment
Segment Information
Operating Income (Loss)	4,202	3,087	8,199	8,264
Intersegment Eliminations
Segment Information
Sales	(44,812)	(40,117)	(129,141)	(110,354)
Intersegment Eliminations | Upholstery Segment
Segment Information
Sales	42,946	37,780	120,872	103,183
Intersegment Eliminations | Casegoods Segment
Segment Information
Sales	1,866	2,337	8,269	7,171
Corporate and Other Non-Segment
Segment Information
Sales	561	404	2,040	1,952
Operating Income (Loss)	(10,384)	(9,217)	(27,189)	(30,173)
Segment Reconciling Items
Segment Information
Restructuring	$ 771	$ 60	$ 1,118	$ 115