Consolidated Statements Of Earnings (USD $) In Millions, except Per Share data	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Consolidated Statements Of Earnings
Revenues	$ 2,166.9	$ 2,209.2	$ 2,073.0
Cost of revenues	1,617.1	1,616.4	1,510.1
Selling, general and administrative expenses	270.0	241.6	212.9
Other expenses, net	10.1	9.1	4.0
Total expenses	1,897.2	1,867.1	1,727.0
Earnings from continuing operations before income taxes	269.7	342.1	346.0
Provision for income taxes	97.9	117.0	122.9
Net earnings from continuing operations	171.8	225.1	223.1
(Loss) earnings from discontinued operations, net of tax benefit (expense)	(2.2)	(35.1)	0.2
Net earnings	$ 169.6	$ 190.0	$ 223.3
Basic earnings per share:
Basic earnings per share from continuing operations	$ 1.38	$ 1.66	$ 1.60
Basic loss per share from discontinued operations	$ (0.02)	$ (0.26)
Basic earnings per share	$ 1.36	$ 1.40	$ 1.60
Diluted earnings per share:
Diluted earnings per share from continuing operations	$ 1.34	$ 1.62	$ 1.58
Diluted loss per share from discontinued operations	$ (0.02)	$ (0.25)
Diluted earnings per share	$ 1.32	$ 1.37	$ 1.58
Weighted-average shares outstanding:
Basic	124.8	135.9	140.0
Diluted	128.3	139.1	141.6
Dividends declared per common share	$ 0.6	$ 0.56	$ 0.28