Represents term of option to extend credit facility after the maturity date specified in the agreement.

No definition available.

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- Definition

The borrowing margin percentage rate, to which the higher of two alternative variable rates is added.

+ References

No definition available.

+ Details

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- Definition

The effective borrowing margin percentage rate, to which the higher of two alternative variable rates is added.

+ References

No definition available.

+ Details

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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 7

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Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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

-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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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- Definition

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

+ References

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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.

+ References

No definition available.

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- References

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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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

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Name Accounting Standards Codification

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-SubTopic 10

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-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

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-Name Regulation S-X (SX)

-Number 210

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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- References

No definition available.

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 3

-Subparagraph (SX 210.12-04.(a))

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 10

-Section 50

-Paragraph 1

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Paragraph 1

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 3

-Subparagraph (SX 210.12-04.(a))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Weighted average interest rate of long-term debt outstanding.

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No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	debit
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General (Details 11) - USD ($) $ in Thousands			9 Months Ended
General (Details 11) - USD ($) $ in Thousands	Sep. 30, 2014	Jul. 23, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Long-term Debt and Capital Lease Obligations
Proceeds from issuance of debt				$ 250,000
Debt disclosures
Capital lease obligations			$ 24,800		$ 24,600
Revolving Loan borrowings
Debt disclosures
Revolving borrowings outstanding			0		0
Letter of Credit
Debt disclosures
Letters of credit outstanding			33,400		$ 32,900
Term Loan
Long-term Debt and Capital Lease Obligations
Amount of term loan borrowings outstanding			237,500
Long-term Debt, Fiscal Year Maturity
2015			3,100
2016			15,600
2017			25,000
2018			25,000
2019			$ 168,800
Credit Facility 2014
Long-term Debt and Capital Lease Obligations
Maximum borrowing capacity		$ 500,000
Term of option to extend credit facility		1 year
Credit Facility 2014 \| Revolving Loan borrowings
Long-term Debt and Capital Lease Obligations
Maximum borrowing capacity		$ 250,000
Commitment commission (as a percent)			0.20%
Credit Facility 2014 \| Letter of Credit
Long-term Debt and Capital Lease Obligations
Maximum borrowing capacity		70,000
Stated interest rate (as a percent)			1.625%
Credit Facility 2014 \| Term Loan
Long-term Debt and Capital Lease Obligations
Maximum borrowing capacity		$ 250,000
Credit Facility 2014 \| Revolving and Term Loan Borrowings
Long-term Debt and Capital Lease Obligations
Borrowing margin (as a percent)			0.50%
Credit Facility 2014 \| Overnight Federal Funds rate \| Revolving and Term Loan Borrowings
Long-term Debt and Capital Lease Obligations
Basis spread on variable rate (as a percent)			0.50%
Credit Facility 2014 \| Eurodollar rate for one month \| Revolving and Term Loan Borrowings
Long-term Debt and Capital Lease Obligations
Basis spread on variable rate (as a percent)			1.00%
Credit Facility 2014 \| Eurodollar denominated loans \| Eurodollar rate for selected interest period \| Term Loan
Long-term Debt and Capital Lease Obligations
Proceeds from issuance of debt	$ 250,000
Effective borrowing margin (as a percent)			1.50%
Effective interest rate (as a percent)			1.6936%
Weighted average interest rate (as a percent)			1.6813%
Credit Facility 2014 \| Eurodollar denominated loans \| Eurodollar rate for selected interest period \| Revolving and Term Loan Borrowings
Long-term Debt and Capital Lease Obligations
Borrowing margin (as a percent)			1.50%