Amount of assets held-for-sale that are not part of a disposal group.

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Average fixed interest rate related to the group of interest rate derivatives.

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Fair Value Measurements (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Millions	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Aug. 31, 2013
Derivatives Fair Value
Loss to be reclassified during next 12 months	$ 8.2		$ 8.2
Assets held for sale	15.3		15.3		$ 16.7
Non-cash impairment charge	5.7
Interest rate swap
Derivatives Fair Value
Derivative average fixed interest rate						2.151%
Losses (gains) recorded in accumulated other comprehensive loss, net of tax	(2.7)	$ 1.7	(6.3)	$ 1.0
Derivative liability fair value	9.9		9.9		11.9
Accrued Liabilities \| Interest rate swap
Derivatives Fair Value
Derivative liability fair value	8.2		8.2		7.9
Other long-term liabilities \| Interest rate swap
Derivatives Fair Value
Derivative liability fair value	1.7		1.7		$ 4.0
Interest Expense \| Interest rate swap
Derivatives Fair Value
Realized (gains) losses recorded in interest expense	$ 2.0	$ (0.6)	$ 6.1	$ 1.1
LIBOR \| Interest rate swap
Derivatives Fair Value
Interest received on derivative	1.00%		1.00%