Financing Arrangements (Components Of Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total debt	$ 1,023.8	$ 988.9
Less short-term and current portion of long-term debt	61.8us-gaap_LongTermDebtCurrent	12.7us-gaap_LongTermDebtCurrent
Total long-term debt, net of current portion	962.0us-gaap_LongTermDebtNoncurrent	976.2us-gaap_LongTermDebtNoncurrent
Other Debt
Debt Instrument [Line Items]
Total before unamortized discount	13.5	23.6
7.500% debentures due 2015 \| Senior Notes
Debt Instrument [Line Items]
Total before unamortized discount		48.7
Stated interest rate		7.50%
5.250% senior notes due 2023 \| Senior Notes
Debt Instrument [Line Items]
Total before unamortized discount	600.0	600.0
Stated interest rate	5.25%	5.25%
Revolving credit facility due 2018 \| Line of Credit [Member]
Debt Instrument [Line Items]
Total before unamortized discount	45.0	0
7.375% senior notes due 2020 \| Senior Notes
Debt Instrument [Line Items]
Total before unamortized discount	316.6	316.6
Stated interest rate	7.375%	7.375%
Senior Notes \| 7.500% debentures due 2015
Debt Instrument [Line Items]
Short-term Debt	$ 48.7
Stated interest rate	7.50%

Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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