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Interim Financial Statements - Recent Accounting Pronouncements (Details) - USD ($) $ in Millions | Jun. 30, 2016 | Dec. 31, 2015
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Recent Accounting Pronouncements |  |
Decrease in other current assets due to reclassification related to ASU | $ (101.7) | $ (85.6)
Decrease in current portion of long-term debt due to reclassifcation related to ASU | (47.7) | (28.0)
Decrease in other long-term assets due to reclassifcation related to ASU | (19.6) | (19.2)
Decrease in long-term debt due to reclassifcation related to ASU | $ (1,613.1) | (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

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