Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Revenues	$ 2,303.5	$ 2,166.9	$ 2,209.2
Cost of revenues	1,715.1	1,617.1	1,616.4
Selling, general and administrative expenses	299.9	270.0	241.6
Impairment and other charges, net	74.2
Other expenses, net	13.4	10.1	9.1
Total expenses	2,102.6	1,897.2	1,867.1
Earnings from continuing operations before income taxes	200.9	269.7	342.1
Provision for income taxes	75.9	97.9	117.0
Net earnings from continuing operations	125.0	171.8	225.1
Loss from discontinued operations, net of tax benefit	(1.4)	(2.2)	(35.1)
Net earnings	$ 123.6	$ 169.6	$ 190.0
Basic earnings per share:
Basic earnings per share from continuing operations	$ 1.01	$ 1.38	$ 1.66
Basic loss per share from discontinued operations	$ (0.01)	$ (0.02)	$ (0.26)
Basic earnings per share	$ 1.00	$ 1.36	$ 1.40
Diluted earnings per share:
Diluted earnings per share from continuing operations	$ 0.98	$ 1.34	$ 1.62
Diluted loss per share from discontinued operations	$ (0.01)	$ (0.02)	$ (0.25)
Diluted earnings per share	$ 0.97	$ 1.32	$ 1.37
Weighted-average shares outstanding:
Basic	124.1	124.8	135.9
Diluted	127.5	128.3	139.1
Dividends declared per common share	$ 0.64	$ 0.60	$ 0.56