Product Warranties (Details) (USD $)	12 Months Ended
	Apr. 27, 2013	Apr. 28, 2012
Product Warranty Contingency [Line Items]
Percentage of warranty liability relating to Upholstery Group (in hundredths)	90.00%
Reconciliation of changes in product warranty liability [Roll Forward]
Balance as of the beginning of the period	$ 14,327,000	$ 13,854,000
Accruals during the period	15,370,000	15,074,000
Settlements during the period	(14,172,000)	(14,601,000)
Balance as of the end of the period	15,525,000	14,327,000
Amount of product warranty liability included in accrued expenses and other current liabilities	$ 9,500,000	$ 8,200,000
Fabric and Leather [Member]
Product Warranty Contingency [Line Items]
Warranty term (in years)	one year
Cushions and padding [Member]
Product Warranty Contingency [Line Items]
Warranty term (in years)	one to ten years
Certain Mechanisms and Frames [Member]
Product Warranty Contingency [Line Items]
Warranty term (in years)	up to a lifetime
Labor Costs Relating to Parts [Member]
Product Warranty Contingency [Line Items]
Warranty term (in years)	one year