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

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))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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- Definition

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

+ References

+ Details

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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.

+ Details

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: 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))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: 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))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts 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.

+ References

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Balance Type:	credit
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- Details

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- Details

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- Details

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- Details

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Long-Term Debt, Interest Rate Swap and Capitalized Lease Obligations (Schedule of Long-term Debt) (Details) - USD ($) $ in Thousands		12 Months Ended
	Feb. 26, 2016	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total		$ 80,081	$ 60,301
Less current portion		(6,663)	(6,276)
Long-term debt, excluding current maturities		$ 73,418	54,025
Mortgages \| Amended and restated credit agreement
Debt Instrument [Line Items]
Effective fixed interest rate percentage		4.75%
Mortgages \| Amended and restated credit agreement \| LIBOR
Debt Instrument [Line Items]
Long-term debt basis spread based on LIBOR	4.75%
Mortgages \| Mortgage term loan \| Mortgage loan with a syndicate of banks
Debt Instrument [Line Items]
Total		$ 58,792	$ 47,401
Effective fixed interest rate percentage		5.79%	5.79%
Mortgages \| Mortgage term loan \| Mortgage loan with a syndicate of banks \| LIBOR
Debt Instrument [Line Items]
Long-term debt basis spread based on LIBOR		4.00%	4.00%
Mortgages \| Acquisition loan facility \| The PrivateBank
Debt Instrument [Line Items]
Total		$ 6,289	$ 0
Mortgages \| Acquisition loan facility \| The PrivateBank \| LIBOR
Debt Instrument [Line Items]
Minimum base rate percentage		4.75%
Amended revolver \| Amended and restated credit agreement
Debt Instrument [Line Items]
Total		$ 15,000	$ 12,900
Amended revolver \| Amended and restated credit agreement \| LIBOR
Debt Instrument [Line Items]
Long-term debt basis spread based on LIBOR	4.00%	4.00%	4.00%