Debt refinancing costs.

No definition available.

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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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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=6451184&loc=d3e28551-108399

+ 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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Period Type:	duration

- Definition

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

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

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Namespace Prefix:	us-gaap_
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New Credit Agreements - Additional Information (Detail) - USD ($)		12 Months Ended
	Dec. 11, 2014	Dec. 30, 2015
Debt Instrument [Line Items]
Revolving credit facility maturity period		Dec. 11, 2019
Debt instrument basis percentage		1.00%
Debt instrument, interest rate		2.02%
Interest rate description		(a) the federal funds rate plus 0.50%, (b) the prime rate of Bank of America, or (c) LIBOR plus 1.00%. For LIBOR loans, the margin is in the range of 1.75% to 2.50%, and for base rate loans the margin is in the range of 0.75% and 1.50%. The margin was initially set at 2.00% for LIBOR loans and at 1.00% for base rate loans until the delivery of financial statements and a compliance certificate for the first quarter of 2015. The interest rate range was 1.94% to 2.63% during fiscal 2015 and was 2.02% at December 30, 2015.
Transaction costs	$ 1,500,000
Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Principal payments prior to maturity		$ 0
Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate		1.94%
Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate		2.63%
Federal Funds Rate [Member]
Debt Instrument [Line Items]
Debt instrument basis percentage		0.50%
Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument basis percentage		0.75%
Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument basis percentage		1.50%
Initial Margin Rate [Member]
Debt Instrument [Line Items]
Debt instrument basis percentage		2.00%
LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument basis percentage		1.00%
LIBOR [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument basis percentage		1.75%
LIBOR [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument basis percentage		2.50%
2014 Credit Agreement [Member]
Debt Instrument [Line Items]
Senior secured revolving facility	200,000,000
Letters of credit outstanding		$ 7,200,000
Amount of borrowings available		$ 69,800,000
Swing Line Loans [Member] \| 2014 Credit Agreement [Member]
Debt Instrument [Line Items]
Sub limit of revolving facility	15,000,000
Letter of Credit [Member] \| 2014 Credit Agreement [Member]
Debt Instrument [Line Items]
Sub limit of revolving facility	$ 15,000,000