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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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-Paragraph 4B
-Subparagraph (c)(2)
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- Definition

Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments.

+ References

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- References

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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-Paragraph 10
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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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- Definition

Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Schedule of Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jan. 19, 2018	Dec. 31, 2017	Dec. 22, 2017	Mar. 31, 2017
Assets
Cash and cash equivalents	$ 143,951		$ 176,274		$ 187,928
Liabilities
Senior Notes		$ 100,000		$ 300,000
USD Denominated Term Loan [Member]
Liabilities
USD denominated term loan	650,000		194,063
Line of Credit [Member]
Liabilities
Multicurrency revolving line of credit	95,777		125,414
Reported Value Measurement [Member]
Assets
Cash and cash equivalents	143,951		176,274
Restricted Cash	1,517		311,061
Foreign exchange forwards	44		41
Liabilities
Senior Notes	400,000		300,000
Foreign exchange forwards	356		289
Reported Value Measurement [Member] \| USD Denominated Term Loan [Member]
Liabilities
USD denominated term loan	650,000		194,063
Reported Value Measurement [Member] \| Line of Credit [Member]
Liabilities
Multicurrency revolving line of credit	95,777		125,414
Estimate of Fair Value Measurement [Member]
Assets
Cash and cash equivalents	143,951		176,274
Restricted Cash	1,517		311,061
Foreign exchange forwards	44		41
Liabilities
Senior Notes	395,000		301,125
Foreign exchange forwards	356		289
Estimate of Fair Value Measurement [Member] \| USD Denominated Term Loan [Member]
Liabilities
Long-term Debt, Fair Value	658,796		192,295
Estimate of Fair Value Measurement [Member] \| Line of Credit [Member]
Liabilities
Line of Credit Facility, Fair Value of Amount Outstanding	97,205		124,100
Interest Rate Swap [Member] \| Reported Value Measurement [Member]
Assets
Derivative Asset, Noncurrent	3,529		2,370
Interest Rate Swap [Member] \| Estimate of Fair Value Measurement [Member]
Assets
Derivative Asset, Noncurrent	3,529		2,370
Interest Rate Cap [Member] \| Reported Value Measurement [Member]
Assets
Derivative Asset, Noncurrent	959		489
Interest Rate Cap [Member] \| Estimate of Fair Value Measurement [Member]
Assets
Derivative Asset, Noncurrent	$ 959		$ 489