Fair Value Measurements (Table)

6 Months Ended

May 31, 2014

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurements [Table Text Block]

		May 31,	Fair Value Measurements Using:
Description		2014		Level 1		Level 2		Level 3
Assets:
Marketable securities	$	1,271	$	1,271	$	-	$	-
Derivative assets		956		-		956		-
Interest rate swaps		5,293		-		5,293		-
Liabilities:
Derivative liabilities	$	954	$	-	$	954	$	-
Cash-flow hedges		3,594		-		3,594		-
Contingent consideration liability, continuing operations		354		-		-		354
Contingent consideration liability, discontinued operations		5,000		-		-		5,000
		November 30,	Fair Value Measurements Using:
Description		2013		Level 1		Level 2		Level 3
Assets:
Marketable securities	$	28,786	$	28,786	$	-	$	-
Derivative assets		533		-		533		-
Interest rate swaps		5,930		-		5,930		-
Liabilities:
Derivative liabilities	$	1,399	$	-	$	1,399	$	-
Cash-flow hedges		4,801		-		4,801		-
Contingent consideration liability, continuing operations		566		-		-		566
Contingent consideration liability, discontinued operations		5,000		-		-		5,000