Commitments and Contingencies (Details Numeric) $ in Thousands	6 Months Ended
	May. 29, 2015 USD ($) buildings	Nov. 28, 2014 USD ($)	[1]
Commitments and Contingencies Disclosure [Abstract]
Number of Corporate Headquarter Office Buildings | buildings	3
Property Subject to or Available for Operating Lease [Line Items]
Lease Receivable Purchased	$ 80,439	$ 80,439
Almaden Tower [Member]
Property Subject to or Available for Operating Lease [Line Items]
Lease Receivable Purchased	80,400
Option to Purchase Buildings	103,600
Residual Value Guarantees	$ 89,400

[1] The Condensed Consolidated Balance Sheet as of November 28, 2014 has been derived from the audited Consolidated Financial Statements at that date but does not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements.