Supplementary Information - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Nov. 01, 2014	May. 02, 2015	Oct. 31, 2015
Other Long Term Liabilities [Line Items]
Liability for Uncertain Tax Positions, Noncurrent	$ 58,478	$ 63,673	$ 63,459
Deferred Rent Credit, Noncurrent	3,089	4,082	4,255
Other Sundry Liabilities, Noncurrent	159	1,733	1,871
Other Liabilities, Noncurrent	61,726	69,488	$ 69,585
Immaterial Error
Other Long Term Liabilities [Line Items]
Immaterial balance sheet error correction	$ 58,298	$ 63,459