Interim Financial Statements - Recent Accounting Pronouncements (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Recent Accounting Pronouncements
Decrease in other current assets due to reclassification related to ASU	$ (105.3)	$ (85.6)
Decrease in current portion of long-term debt due to reclassifcation related to ASU	(44.1)	(28.0)
Decrease in other long-term assets due to reclassifcation related to ASU	(19.3)	(19.2)
Decrease in long-term debt due to reclassifcation related to ASU	$ (1,833.5)	(1,247.0)
Accounting Standards Update 2015-03
Recent Accounting Pronouncements
Decrease in other current assets due to reclassification related to ASU		1.2
Decrease in current portion of long-term debt due to reclassifcation related to ASU		1.2
Decrease in other long-term assets due to reclassifcation related to ASU		8.1
Decrease in long-term debt due to reclassifcation related to ASU		$ 8.1

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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