Other Assets (Details) - USD ($) $ in Thousands		Nov. 30, 2016	Nov. 30, 2015	Jan. 29, 2013
Other Assets [Line Items]
Cash surrender value of insurance contracts		$ 70,829	$ 67,786
Debt Issuance Costs, Line of Credit Arrangements, Net	[1]	1,182	1,626
Property and equipment, net		14,240	13,100
Prepaid expenses		4,894	6,480
Total		$ 91,145	$ 88,992
Convertible senior notes due February 1, 2019 at 1.375%
Other Assets [Line Items]
Senior notes, rate		1.375%	1.375%	1.375%

[1] As described in Note 1 – Summary of Significant Accounting Policies, in connection with our adoption of ASU 2015-03 effective November 30, 2016, unamortized debt issuance costs associated with our senior notes were retrospectively reclassified from other assets to notes payable in our consolidated balance sheets. The debt issuance costs reflected are associated with our Credit Facility.