Summary of Significant Accounting Policies Additional Cash Flow (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Other Significant Noncash Transactions [Line Items]
Capital Lease Obligations Incurred	$ 1.5us-gaap_CapitalLeaseObligationsIncurred
Accrual for purchases of property and equipment		0.9	3.1
Earnout and other payments related to Business Acquisitions	1.5	3.5
Dividends Payable	4.3	4.3	4.3
Adjustments to other comprehensive income related to the underfunding of the pension and SERP plans and changes in fair value of derivative financiial insturments	38.7	39.0	8.2
Adjustments to other comprehensive income related to underfunding of pension and SERP plans and changes in fair value of derivative financiial insturments, net of tax	$ 23.4	$ 23.6	$ 5.0

Acquisition Contingency Payments Recorded as Additional Goodwill

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Adjustments to other conprehensive income related to the underfunding of the pension and SERP plans and changes in fair value of derivative financial instruments

+ References

No definition available.

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Adjustments To Other Comprehensive Income Related To Underfunding Of Pension And SERP Plans And Changes In Fair Value Of Derivative Financial Instruments, tax

+ References

No definition available.

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- Definition

Future cash outflow to pay for purchases of fixed assets that have occurred.

+ References

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-Publisher FASB

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The increase during the period in capital lease obligations due to entering into new capital leases.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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