CONDENSED CONSOLIDATED STATEMENTS OF EQUITY AND REDEEMABLE NONCONTROLLING INTERESTS (USD $) In Millions	Common Class A [Member]	Common Class B [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Parent [Member]	Noncontrolling Interest [Member]	Stockholder's Equity Excluding Temporary Equity [Member]	Redeemable Noncontrolling Interests [Member]	Total
BALANCE at Jun. 30, 2013	$ 0.7	$ 3.1	$ 1,943.9	$ (329.0)	$ (118.6)	$ (6.1)	$ 1,494.0	$ 15.7	$ 1,509.7	$ 105.8	$ 1,509.7
BALANCE (in Shares) at Jun. 30, 2013	73.6	310.6				0.4
Conversion of Class B to Class A Common Stock	0.1	(0.1)
Conversion of Class B to Class A Common Stock (in Shares)	8.0	(8.0)
Purchase of Class A Common Stock			0.2			(0.2)
Exercise of employee stock options			1.6				1.6		1.6
Exercise of employee stock options (in Shares)	0.3
Share-based compensation expense			12.8				12.8		12.8
Dividends ($0.20 per common share)			(77.4)				(77.4)		(77.4)
Net income				93.5			93.5	4.3	97.8	4.4	102.2
Other comprehensive income					43.5		43.5	0.2	43.7	0.1	43.8
Distribution to noncontrolling interests, net								(3.6)	(3.6)	(4.0)
Adjustment of redeemable noncontrolling interests to redemption value			(0.3)				(0.3)		(0.3)	0.3
BALANCE at Sep. 30, 2013	$ 0.8	$ 3.0	$ 1,880.8	$ (235.5)	$ (75.1)	$ (6.3)	$ 1,567.7	$ 16.6	$ 1,584.3	$ 106.6	$ 1,584.3
BALANCE (in Shares) at Sep. 30, 2013	81.9	302.6				0.4