Net Income Attributable to Komatsu Ltd. Per Share

12 Months Ended

Mar. 31, 2011

Net Income attributable to Komatsu Ltd. per Share [Abstract]

Net Income attributable to Komatsu Ltd. per Share

17. Net Income Attributable to Komatsu Ltd. per Share

A reconciliation of the numerators and denominators of the basic and diluted net income attributable to Komatsu Ltd. per share computations is as follows:

							Thousands of
	Millions of yen						U.S. dollars
	2011		2010		2009		2011
Net income attributable to Komatsu Ltd.	¥	150,752	¥	33,559	¥	78,797	$	1,816,289
	Number of shares
	2011		2010		2009
Weighted average common shares outstanding, less treasury stock		967,803,446		968,013,328		985,585,385
Dilutive effect of:
Stock options		671,477		449,531		731,973
Weighted average diluted common shares outstanding		968,474,923		968,462,859		986,317,358
	Yen						U.S. cents
	2011		2010		2009		2011
Net income attributable to Komatsu Ltd. per share:
Basic	¥	155.77	¥	34.67	¥	79.95	¢	187.67
Diluted		155.66		34.65		79.89		187.54