Quarterly Financial Results (Summary Of Quarterly Results Of Operations) (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Quarterly Results Of Operations [Line Items]
Revenues	$ 800.3	$ 547.0	$ 479.8	$ 476.4	$ 776.1	$ 527.1	$ 442.3	$ 421.4	$ 2,303.5	$ 2,166.9	$ 2,209.2
Gross profit	271.4	126.2	97.2	93.6	258.8	120.5	85.7	84.8
Earnings from continuing operations before income taxes	135.3	28.8	10.6	26.2	181.2	51.1	16.5	20.9	125.5	196.2	247.9
Net earnings	$ 83.4	$ 16.7	$ 6.8	$ 16.7	$ 116.2	$ 29.7	$ 10.4	$ 13.3	$ 123.6	$ 169.6	$ 190.0
Basic EPS from continuing operations	$ 0.67	$ 0.15	$ 0.05	$ 0.14	$ 0.93	$ 0.26	$ 0.08	$ 0.11	$ 1.01	$ 1.38	$ 1.66
Basic EPS	$ 0.67	$ 0.14	$ 0.05	$ 0.14	$ 0.94	$ 0.24	$ 0.08	$ 0.11	$ 1.00	$ 1.36	$ 1.40
Diluted EPS from continuing operations	$ 0.65	$ 0.14	$ 0.05	$ 0.13	$ 0.91	$ 0.25	$ 0.08	$ 0.10	$ 0.98	$ 1.34	$ 1.62
Diluted EPS	$ 0.65	$ 0.13	$ 0.05	$ 0.13	$ 0.92	$ 0.23	$ 0.08	$ 0.10	$ 0.97	$ 1.32	$ 1.37