Restructuring (Details) (USD $)	3 Months Ended	12 Months Ended
	Apr. 26, 2014 Facility	Apr. 26, 2014 Facility	Apr. 27, 2013	Apr. 28, 2012
Restructuring Cost and Reserve [Line Items]
Number of manufacturing facilities	2	2
Restructuring charges, net of tax		$ 5,300,000
Restructuring Charges [Abstract]
Inventory write downs		1,149,000	0	0
Tradename write-down		1,265,000
Total restructuring expense	4,800,000	8,071,000	2,600,000
Casegoods Segment [Member]
Restructuring Charges [Abstract]
Total restructuring expense			2,600,000
Continuing Operations [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of tax		3,200,000
Restructuring Charges [Abstract]
Fixed asset write-downs		2,272,000
Inventory write downs		2,216,000
Other		351,000
Total restructuring expense		4,839,000
Discontinued Operations [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net of tax		2,100,000
Restructuring Charges [Abstract]
Inventory write downs		1,804,000
Tradename write-down		1,265,000
Other		163,000
Total restructuring expense		$ 3,232,000