Capital Lease Maturity Year

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and 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 210.9-03.13,16)

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-Subparagraph (SX 210.7-03.16)

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

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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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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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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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

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-Topic 835

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- Definition

The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

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-Name Regulation S-X (SX)

-Number 210

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- Definition

Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

+ References

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Debt Schedule Of Components Of Debt (Details) - USD ($)	6 Months Ended	12 Months Ended
Debt Schedule Of Components Of Debt (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014	Dec. 30, 2014	Jul. 25, 2012	Jun. 27, 2012	Aug. 25, 2010
Debt [Line Items]
Total debt	$ 801,159,000	$ 794,431,000
Less current portion	1,124,000	12,349,000
Total long-term debt	800,035,000	782,082,000
Senior Notes [Member] \| $400 Million Senior Notes [Member]
Debt [Line Items]
Total debt	$ 400,000,000	$ 400,000,000
Debt instrument face amount					$ 400,000,000
Debt instrument effective interest rate (percentage)	6.00%	6.00%			6.00%
Senior Notes [Member] \| $250 Million Senior Notes [Member]
Debt [Line Items]
Total debt	$ 249,668,000	$ 249,636,000
Debt instrument face amount						$ 250,000,000
Debt instrument effective interest rate (percentage)	6.19%	6.19%				6.19%
Senior notes, discount	$ 300,000	$ 400,000				$ 600,000
Senior Secured Credit Facility [Member] \| $350 Million Senior Secured Credit Facility [Member]
Debt [Line Items]
Total debt	$ 136,750,000	$ 129,375,000
Debt instrument face amount				$ 350,000,000
Debt instrument effective interest rate (percentage)	2.19%	2.17%
Collateralized mortgage [Member]
Debt [Line Items]
Total debt	$ 10,351,000	$ 10,667,000
Debt instrument effective interest rate (percentage)	4.57%	4.57%
Fair value adjustment	$ 1,100,000	$ 1,200,000	$ 1,200,000
Economic Development Loans [Member]
Debt [Line Items]
Total debt	$ 3,536,000	$ 3,536,000
Debt instrument effective interest rate (percentage)	3.00%	3.00%
Capital Lease Obligations [Member]
Debt [Line Items]
Total debt	$ 792,000	$ 1,149,000
Debt instrument effective interest rate (percentage)	3.18%	3.18%
Capital lease maturity year	2016	2016
Other Notes Payable [Member]
Debt [Line Items]
Total debt	$ 62,000	$ 68,000