Basis of Presentation and Significant Accounting Policies - AOCI (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 28, 2015
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period, net of tax	$ (54,080)
Other comprehensive loss before reclassifications and tax	(16,719)
Tax benefit	21
Other comprehensive loss before reclassifications, net of tax	(16,698)
Reclassifications, before tax	966
Tax expense	(283)
Reclassifications, net of tax	683
Other comprehensive income (loss), net of tax	(16,015)
Balance at end of period, net of tax	(70,095)
Pension Benefits [Member]
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period, net of tax	(37,667)
Other comprehensive loss before reclassifications and tax	(105)
Tax benefit	21
Other comprehensive loss before reclassifications, net of tax	(84)
Reclassifications, before tax	966	[1]
Tax expense	(283)
Reclassifications, net of tax	683
Other comprehensive income (loss), net of tax	599
Balance at end of period, net of tax	(37,068)
Foreign Currency Translation Adjustment [Member]
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period, net of tax	(16,413)
Other comprehensive loss before reclassifications and tax	(16,614)
Tax benefit	0
Other comprehensive loss before reclassifications, net of tax	(16,614)
Reclassifications, before tax	0
Tax expense	0
Reclassifications, net of tax	0
Other comprehensive income (loss), net of tax	(16,614)
Balance at end of period, net of tax	$ (33,027)

[1] Includes amortization of prior service cost and net actuarial loss included in net periodic benefit cost (see Note 8) that were reclassified from accumulated other comprehensive loss to selling and administrative expenses.