The following table provides a reconciliation of the computations of basic and diluted earnings per share information for each of the years in the three-year period ended May 31, 2013 (shares in millions).

	For the Year Ended May 31,

	2013			2012			2011
Basic EPS:
Net income attributable to AAR and noncontrolling interest	$	55.5		$	68.0		$	69.8
Less income attributable to participating shares		(2.0	)		(2.5	)		(2.3	)
Less income attributable to noncontrolling interest		(0.5	)		(0.3	)		—

Net income attributable to AAR available to common shareholders	$	53.0		$	65.2		$	67.5

Basic shares:
Weighted average common shares outstanding		38.3			38.8			38.4

Earnings per share—basic	$	1.38		$	1.68		$	1.76

Diluted EPS:
Net income attributable to AAR and noncontrolling interest	$	55.5		$	68.0		$	69.8
Less income attributable to participating shares		(1.9	)		(2.3	)		—
Less income attributable to noncontrolling interest		(0.5	)		(0.3	)		—
Add after-tax interest on convertible debt		3.2			5.8			5.6

Net income attributable to AAR available to common shareholders	$	56.3		$	71.2		$	75.4

Diluted shares:
Weighted average common shares outstanding		38.3			38.8			38.4
Additional shares from the assumed exercise of stock options		0.1			0.2			0.3
Additional shares from the assumed vesting of restricted stock		—			—			0.8
Additional shares from the assumed conversion of convertible debt		2.2			4.1			4.1

Weighted average common shares outstanding—diluted		40.6			43.1			43.6

Earnings per share—diluted	$	1.38		$	1.65		$	1.73