STATEMENTS OF CHANGES IN CONSOLIDATED STOCKHOLDERS EQUITY (USD $) In Millions	Total	[CommonStockMember]	[AdditionalPaidInCapitalMember]	[RetainedEarningsMember]	[TreasuryStockMember]	[AccumulatedOtherComprehensiveIncomeMember]	[NoncontrollingInterestMember]
Total Stockholders' Equity at Dec. 31, 2011	$ 2,571.6	$ 11.0	$ 1,207.1	$ 2,361.5	$ (162.7)	$ (941.6)	$ 96.3
Net income (loss)	58.3			56.2			2.1
Other Comprehensive Income Loss Net Of Tax	16.5					15.9	0.6
Cash dividends on common stock	19.1			19.1
Cash dividends paid to noncontrolling interests	(0.1)						(0.1)
Employee Stock Plans	(13.3)		(45.7)	(3.7)	36.1
Total Stockholders' Equity at Mar. 31, 2012	2,613.9	11.0	1,161.4	2,394.9	(126.6)	(925.7)	98.9
Total Stockholders' Equity at Dec. 31, 2012	2,587.1	11.0	1,181.7	2,427.6	(111.3)	(1,029.4)	107.5
Net income (loss)	11.6			10.0			1.6
Other Comprehensive Income Loss Net Of Tax	13.7					13.2	0.5
Cash dividends on common stock	19.2			19.2
Employee Stock Plans	3.5		(13.2)	(13.5)	30.2
Total Stockholders' Equity at Mar. 31, 2013	$ 2,596.7	$ 11.0	$ 1,168.5	$ 2,404.9	$ (81.1)	$ (1,016.2)	$ 109.6