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Business Acquisitions - Sunrise, Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended
	May. 05, 2015	Mar. 26, 2016	Mar. 28, 2015
Business Acquisition [Line Items]
Gain on bargain purchase		$ (16)	$ 0
Sunrise
Business Acquisition [Line Items]
Preliminary purchase price	$ 9,558
Gain on bargain purchase	9,821
Cash acquired	$ 100
Sunrise | Client relationships
Business Acquisition [Line Items]
Useful life of intangible assets acquired		15 years

X

- 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

In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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-Paragraph 7
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- Definition

The cash inflow associated with the acquisition of a business when the cash held by the acquired business exceeds the cash payments to acquire the business.

+ References

No definition available.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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