Capital Stock (Tables)

12 Months Ended

Mar. 31, 2013

CAPITAL STOCK [Abstract]

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

	Years Ended March 31,
	2013		2012		2011
COMMON STOCK
Beginning balance	139,874		150,219		161,439
Shares issued for:
Stock option exercises and other stock-based compensation	80		172		638
Deferred compensation trust	71		68		75
Deferred compensation	1,925		1,246		1,520
Exchangeable shares	—		—		1,099
Shares repurchased and retired	(16,199	)	(13,597	)	(14,552	)
Net share transactions	(410	)	(64	)	—
Equity Units exchange	—		1,830		—
Ending balance	125,341		139,874		150,219
SHARES EXCHANGEABLE INTO COMMON STOCK
Beginning balance	—		—		1,099
Exchanges	—		—		(1,099	)
Ending balance	—		—		—