Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	11 Months Ended		12 Months Ended
	Nov. 30, 2010		Nov. 30, 2011		Dec. 31, 2009
Consolidated Statement of Comprehensive Income [Abstract]
Net earnings to common shareholders	$ 223,666		$ 284,618		$ 275,282
Other comprehensive income (loss):
Currency translation adjustments	(8,490)		3,339		9,306
Minimum pension liability adjustments, net of tax	(1,162)	[1]	(2,551)	[1]	1,189	[1]
Total other comprehensive income (loss), net of tax	(9,652)	[2]	788	[2]	10,495	[2]
Comprehensive income	$ 214,014		$ 285,406		$ 285,777

[1] Includes income tax (benefit) expense of $(1.8) million, $(0.8) million and $0.8 million for the twelve months ended November 30, 2011, eleven months ended November 30, 2010 and twelve months ended December 31, 2009, respectively.

[2] Total other comprehensive income (loss), net of tax, is attributable to common shareholders. No other comprehensive income (loss) is attributable to noncontrolling interests.