Consolidated Condensed Financial Statements - AOCI (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2014		May 31, 2014
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period, net of tax	$ (25,100)		$ (29,814)
Other comprehensive income (loss) before reclassifications and tax	(1,868)		2,395
Tax benefit	38		60
Other comprehensive income (loss) before reclassifications, net of tax	(1,830)		2,455
Reclassifications, before tax	718		1,436
Tax expense	(278)		(567)
Reclassifications, net of tax	440		869
Other comprehensive income, net of tax	(1,390)		3,324
Balance at end of period, net of tax	(26,490)		(26,490)
Pension Benefits [Member]
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period, net of tax	(29,481)		(29,878)
Other comprehensive income (loss) before reclassifications and tax	(99)		(153)
Tax benefit	38		60
Other comprehensive income (loss) before reclassifications, net of tax	(61)		(93)
Reclassifications, before tax	718	[1]	1,436	[1]
Tax expense	(278)		(567)
Reclassifications, net of tax	440		869
Other comprehensive income, net of tax	379		776
Balance at end of period, net of tax	(29,102)		(29,102)
Foreign Currency Translation Adjustment [Member]
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period, net of tax	4,381		64
Other comprehensive income (loss) before reclassifications and tax	(1,769)		2,548
Tax benefit	0		0
Other comprehensive income (loss) before reclassifications, net of tax	(1,769)		2,548
Reclassifications, before tax	0		0
Tax expense	0		0
Reclassifications, net of tax	0		0
Other comprehensive income, net of tax	(1,769)		2,548
Balance at end of period, net of tax	$ 2,612		$ 2,612

[1] Includes amortization of prior service cost and net actuarial loss included in net periodic benefit cost (see Note 9) that were reclassified from accumulated other comprehensive income (loss) to selling and administrative expenses.