This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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-SubTopic 10
-Section 25
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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
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-Paragraph 3
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Gross amount of debt extinguished.

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No definition available.

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Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

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Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount awarded to other party in judgment or settlement of litigation.

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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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-Publisher FASB
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-Section 45
-Paragraph 15
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The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders. This amount is generally an adjustment considered in the computation of earnings per share.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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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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No definition available.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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-SubTopic 10
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Unusual Items - Narrative (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended	12 Months Ended
Unusual Items - Narrative (Details) - USD ($) $ in Millions	Jul. 18, 2016	Dec. 31, 2015	Sep. 30, 2016	Dec. 31, 2017	Dec. 31, 2016	Nov. 30, 2015
Unusual or Infrequent Item [Line Items]
Gain on legal matters and settlements				$ 2.0
Acquisition costs				1.0
Loss on debt repurchased		$ 0.0		0.0	$ 34.5	$ 1.9
Loss on bank amendment		0.0		0.0	9.5	0.0
Legal settlement						50.0
Delayed Draw Term Loan
Unusual or Infrequent Item [Line Items]
Loss on debt repurchased					0.3	1.9
Principal amount of loan retired					13.0	76.0
Aerospace and Defense
Unusual or Infrequent Item [Line Items]
Gain on legal matters and settlements		$ (0.4)		$ 2.0	0.0	$ (50.0)
7.125% Notes
Unusual or Infrequent Item [Line Items]
Repayments of secured debt	$ 460.0
Debt instrument interest rate stated percentage	7.25%			7.125%
Repurchase price, percentage of principal amount	105.344%
Loss on debt repurchased			$ 34.1
Loss on extinguishment of debt, before write-off of unamortized deferred financing costs			24.6
Write-off of deferred financing costs			$ 9.5
Term loan
Unusual or Infrequent Item [Line Items]
Proceeds from issuance of debt	$ 400.0
Senior Credit Facility
Unusual or Infrequent Item [Line Items]
Loss on bank amendment					$ 0.1