Represents the number of equal quarterly installments in which debt instrument will be due.

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Represents the minimum fixed charge coverage ratio that the entity must meet if borrowing availability under the Restated Credit Agreement is less than 20 million dollars.

+ References

No definition available.

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Represents the percentage of aggregate commitments which is necessary to be maintained under the terms of credit agreement, in case of which the entity is not required to achieve the fixed charge coverage ratio.

+ References

No definition available.

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- Definition

Represents the remaining borrowing capacity which is necessary to be maintained under the terms of credit agreement, in case of which the entity is not required to achieve the fixed charge coverage ratio.

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No definition available.

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Represents the maximum borrowing capacity under line of credit facility that may be increased by the entity under certain conditions.

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No definition available.

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- Definition

Amount of repayment of cash management activities.

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No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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No definition available.

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Amount of the required periodic payments applied to principal.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Weighted average interest rate of debt outstanding.

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No definition available.

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For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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No definition available.

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Debt (Details)	1 Months Ended		9 Months Ended
Debt (Details)	Dec. 31, 2014 USD ($)	May 31, 2013 USD ($)	Sep. 30, 2016 USD ($) installment	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Principal Payments
Deferred financing costs			$ (4,100,000)		$ (5,000,000)
Total debt			211,200,000		229,400,000
Less: Debt payable within one year			1,300,000		1,200,000
Long-term debt			209,900,000		$ 228,200,000
Scheduled debt repayment			900,000	$ 900,000
Repayment of daily cash management activities			19,500,000
Long-term debt borrowings				$ 17,700,000
Global Revolving Credit Facilities (variable rates) due December 2019
Principal Payments
Letters of credit outstanding			1,200,000
Available credit			$ 113,400,000
Weighted-average interest rate (as a percent)			2.20%		1.80%
Senior notes \| 2021 Senior Notes (5.25% fixed rate) due May 2021
Principal Payments
Total debt			$ 175,000,000		$ 175,000,000
Fixed rate of interest (as a percent)			5.25%		5.25%
Total term of notes		8 years
Face amount		$ 175,000,000
Line of credit \| Global Revolving Credit Facilities (variable rates) due December 2019
Principal Payments
Total debt			$ 32,700,000		$ 51,100,000
Secured debt \| Global Revolving Credit Facilities (variable rates) due December 2019
Principal Payments
Maximum borrowing capacity	$ 250,000,000
Maximum borrowing capacity that may be increased	$ 50,000,000
Fixed charge coverage ratio required	1.1
Secured debt \| Global Revolving Credit Facilities (variable rates) due December 2019 \| Maximum
Principal Payments
Borrowing availability for not achieving the fixed charge coverage ratio	$ 20,000,000
Percentage of aggregate commitments for not maintaining fixed charge coverage ratio	10.00%
Secured debt \| German loan agreement (2.45% fixed rate) due in 32 equal quarterly installments ending September 2022
Principal Payments
Total debt			$ 7,600,000		$ 8,300,000
Fixed rate of interest (as a percent)			2.45%		2.45%
Number of equal quarterly installments \| installment			32
Secured debt \| U.S. Revolving Credit Facility
Principal Payments
Maximum borrowing capacity	$ 125,000,000
Secured debt \| German Revolving Credit Facility
Principal Payments
Maximum borrowing capacity	$ 75,000,000