Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Recent Accounting Pronouncements
Cash paid for debt issuance costs, original issue discount, modification and early extinguishment of long-term debt	$ 37.6	$ 3.0
ASU 2016-15
Recent Accounting Pronouncements
Cash paid for debt issuance costs, original issue discount, modification and early extinguishment of long-term debt	$ 28.0
ASU 2015-17
Recent Accounting Pronouncements
Current deferred tax assets		(11.9)
Non-current deferred tax liabilities		$ (11.9)
ASU 2014-09 \| Revenue
Recent Accounting Pronouncements
Percentage of revenue on total revenue	66.40%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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