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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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

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-Publisher FASB

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-Topic 815

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

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Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

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Amount borrowed under the credit facility as of the balance sheet date.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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Fair value of the amount outstanding under the credit facility.

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-Publisher FASB

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-Topic 825

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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.

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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.

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Fair Values of Financial Instruments Schedule of Fair Values of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 146,327	$ 124,805	$ 101,561	$ 136,411
USD Denominated Term Loan [Member]
Liabilities
USD denominated term loan	253,125	258,750
Reported Value Measurement [Member]
Assets
Cash and cash equivalents	146,327	124,805
Foreign exchange forwards	126	41
Liabilities
Interest rate swaps	1,768	2,031
Foreign exchange forwards	330	145
Reported Value Measurement [Member] \| USD Denominated Term Loan [Member]
Liabilities
USD denominated term loan	253,125	258,750
Reported Value Measurement [Member] \| Line of Credit [Member]
Liabilities
Multicurrency revolving line of credit	95,000	120,000
Estimate of Fair Value Measurement [Member]
Assets
Cash and cash equivalents	146,327	124,805
Foreign exchange forwards	126	41
Liabilities
Interest rate swaps	1,768	2,031
Foreign exchange forwards	330	145
Estimate of Fair Value Measurement [Member] \| USD Denominated Term Loan [Member]
Liabilities
Long-term Debt, Fair Value	252,465	258,011
Estimate of Fair Value Measurement [Member] \| Line of Credit [Member]
Liabilities
Line of Credit Facility, Fair Value of Amount Outstanding	$ 94,719	$ 119,609