Other Assets - Narrative (Detail) (USD $)	12 Months Ended			12 Months Ended					12 Months Ended
	Apr. 28, 2013	Apr. 28, 2013 Compensation Agreement One [Member] Chairman of the Board [Member]	Dec. 11, 2012 Compensation Agreement One [Member] Chairman of the Board [Member]	Apr. 28, 2013 Compensation Agreement One [Member] Chairman of the Board [Member] Maximum [Member]	Apr. 28, 2013 Compensation Agreement Two [Member] Chairman of the Board [Member]	Mar. 18, 2013 Compensation Agreement Two [Member] Chairman of the Board [Member]	Apr. 28, 2013 Other assets [Member] Contract	Apr. 29, 2012 Other assets [Member] Contract	May 01, 2011 Other assets [Member] Non-compete agreement with International Textile Group, Inc. [Member]	Apr. 28, 2013 Other assets [Member] Non-compete Agreements [Member]	Apr. 29, 2012 Other assets [Member] Non-compete Agreements [Member]	May 01, 2011 Other assets [Member] Non-compete Agreements [Member]	Apr. 28, 2013 Other assets [Member] Non-compete agreement with Bodet and Horst [Member]	Apr. 29, 2012 Other assets [Member] Non-compete agreement with Bodet and Horst [Member]	May 01, 2011 Other assets [Member] Non-compete agreement with Bodet and Horst [Member]
Other Assets Noncurrent [Line Items]
Useful life									4 years				6 years	6 years	6 years
Gross carrying amount										$ 1,100,000	$ 1,100,000
Accumulated amortization										940,000	741,000
Amortization expense										198,000	197,000	413,000
Death benefits to beneficiary of insured on terminated life insurance agreement			8,000,000			500,000
Collection of cash surrender value from termination of split dollar life insurance agreement	716,000	626,000			90,000
Additional annual compensation commitment		60,000
Estimated term of the agreement				12 years
Number of life insurance contracts owned							2	4
Life insurance contracts, death benefits to insured							$ 4,400,000	$ 12,900,000