Goodwill and Other Intangible Assets - Goodwill Roll-forward (Details) $ in Thousands	12 Months Ended
	Apr. 27, 2019 USD ($)	Apr. 28, 2018 USD ($)
Roll-forward of goodwill
Balance at beginning of period	$ 75,254	$ 74,245
Acquisitions	111,603
Translation adjustment	(990)	1,009
Balance at end of period	185,867	75,254
Upholstery Segment
Roll-forward of goodwill
Balance at beginning of period	12,967	12,181
Translation adjustment	(819)	786
Balance at end of period	$ 12,148	12,967
Amortization period	15 years
Retail Segment
Roll-forward of goodwill
Balance at beginning of period	$ 62,287	62,064
Acquisitions	31,987
Translation adjustment	(171)	223
Balance at end of period	$ 94,103	$ 62,287
Retail Segment | Goodwill
Key assumptions used in assessment of goodwill
Tax rate (as a percent)	24.00%
Retail Segment | Goodwill | Discount rate
Key assumptions used in assessment of goodwill
Rate (as a percent)	8.4
Retail Segment | Goodwill | Terminal growth rate
Key assumptions used in assessment of goodwill
Rate (as a percent)	2.0
Corporate and Other
Roll-forward of goodwill
Acquisitions	$ 79,616
Balance at end of period	$ 79,616
Amortization period	8 years
Corporate and Other | Goodwill
Key assumptions used in assessment of goodwill
Tax rate (as a percent)	24.90%
Corporate and Other | Goodwill | Discount rate
Key assumptions used in assessment of goodwill
Rate (as a percent)	25.0
Corporate and Other | Goodwill | Terminal growth rate
Key assumptions used in assessment of goodwill
Rate (as a percent)	2.0