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Debt Arrangements - Additional Information (Detail) - USD ($)	Aug. 22, 2016	Jun. 27, 2016	Aug. 21, 2016
Debt Instrument [Line Items]
Borrowed amount		$ 14,500,000
Fixed rate on borrowing		2.71%
Maturity date		Jul. 01, 2026
Current borrowing capacity			$ 50,000,000
Increased borrowing capacity	$ 65,000,000
Interest rate of LIBOR plus	1.125%
Extended debt instrument date	Jun. 30, 2019
Maximum [Member]
Debt Instrument [Line Items]
Debt to earnings before Interest, Taxes and Depreciation ratio	2.25%
Minimum [Member]
Debt Instrument [Line Items]
Debt to earnings before Interest, Taxes and Depreciation ratio	1.00%
Libor Spread [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate of LIBOR plus	1.50%

X

- Definition

Debt instrument maturity date extended.

+ References

No definition available.

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- Definition

Debt to earnings before interest taxes and depreciation ratio.

+ References

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- Definition

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

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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
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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-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

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X

- Definition

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

+ 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

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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.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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- 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.

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-Name Accounting Standards Codification
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