Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Fair Value of Financial Instruments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset impairments and loss on disposal		$ 2.8	$ 13.5	$ 0.0	$ 2.8
Equipment
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Book value of assets	$ 3.1	$ 3.1			$ 3.1
Equipment purchased	0.3
Asset impairments and loss on disposal	$ 2.8
6.375% senior notes due 2022, including bond premium
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate			6.375%	6.375%
6.375% Senior Notes \| 6.375% senior notes due 2022, including bond premium
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate			6.375%