Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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- Definition

The amount of cash received during the period on settlement of a hedge.

+ References

No definition available.

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- Definition

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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- Definition

Amount of gain (loss) from the ineffectiveness of the hedge.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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-Paragraph 4C
-Subparagraph (d)(1)
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- Definition

The number of derivative instruments of a particular group held by the entity.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
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-Paragraph 1
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.9)
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- Definition

Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Percentage of an entity's outstanding debt that is designated as a hedged item in cash flow, fair value, or net investment hedge.

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No definition available.

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The minimum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions.

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No definition available.

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Derivative Financial Instruments - Narrative (Details) € in Millions			3 Months Ended	12 Months Ended
	Oct. 03, 2017 USD ($)	Jun. 14, 2017 USD ($)	Mar. 31, 2017 EUR (€) swap	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Mar. 31, 2017 USD ($) swap
Derivative [Line Items]
Cash hedge gain to be reclassified in twelve months				$ 1,600,000
Minimum length of time hedged in cash flow hedge				15 months
Maximum length of time hedged in cash flow hedge				36 months
Interest expense				$ 86,900,000	$ 85,200,000	$ 1,400,000
Cross Currency Interest Rate Contract
Derivative [Line Items]
Derivative notional amount \| €			€ 50.0
Derivative, Term of Contract			3 years
Designated as Hedging Instrument \| Interest rate swap contracts
Derivative [Line Items]
Number of derivative instruments \| swap			2				2
Derivative notional amount							$ 600,000,000.0
Company long term debt in hedge (as a percent)				47.40%
Interest expense		$ 300,000
Senior Notes 9.50% due 2024 \| Senior Notes
Derivative [Line Items]
Interest rate, stated percentage (as a percent)				9.50%
Interest Rate Swap, March 2019 \| Designated as Hedging Instrument \| Interest rate swap contracts
Derivative [Line Items]
Derivative notional amount							175,000,000.0
Interest Rate Swap, March 2020 \| Designated as Hedging Instrument \| Interest rate swap contracts
Derivative [Line Items]
Derivative notional amount							$ 425,000,000.0
Cash received on hedge		$ 7,700,000
Interest Rate Swap, February 2024 \| Designated as Hedging Instrument \| Interest rate swap contracts
Derivative [Line Items]
Derivative notional amount	$ 425,000,000.0			$ 425,000,000.0
Company long term debt in hedge (as a percent)				33.60%
Hedge ineffectiveness	$ 300,000