Item 6. Selected Financial Data



In millions, except per share amounts Year ended May 31,	2013 (1)			2012			2011			2010 (2)			2009
Service revenue	$	2,285.2		$	2,186.2		$	2,036.2		$	1,945.8		$	2,007.3
Interest on funds held for clients	41.0			43.6			48.1			55.0			75.5
Total revenue	$	2,326.2		$	2,229.8		$	2,084.3		$	2,000.8		$	2,082.8
Operating income	$	904.8		$	853.9		$	786.4		$	724.8		$	805.2
Net income	$	569.0		$	548.0		$	515.3		$	477.0		$	533.5
Diluted earnings per share	$	1.56		$	1.51		$	1.42		$	1.32		$	1.48
Cash dividends per common share	$	1.31		$	1.27		$	1.24		$	1.24		$	1.24
Purchases of property and equipment	$	98.7		$	89.6		$	100.5		$	61.3		$	64.7
Cash and total corporate investments	$	874.6		$	790.0		$	671.3		$	656.9		$	574.7
Total assets	$	6,163.7		$	6,479.6		$	5,393.8		$	5,226.3		$	5,127.4
Total debt	$	—		$	—		$	—		$	—		$	—
Stockholders’ equity	$	1,773.7		$	1,604.5		$	1,496.2		$	1,402.0		$	1,341.5
Return on stockholders’ equity	34		%	34		%	35		%	34		%	41		%


(1)	In the fourth quarter of fiscal 2013, the Company increased its tax provision related to the settlement of a state income tax matter. This reduced diluted earnings per share by approximately $0.04 per share.


(2)	Includes an expense charge of $18.7 million to increase the Rapid Payroll litigation reserve.