Divestitures (Details) - USD ($)		6 Months Ended
May 27, 2016	Jun. 30, 2016
Divestitures
Pre-tax gain on sale		$ 21,000
ITG Investment Research \| Sale of subsidiaries
Divestitures
Cash proceeds from sale	$ 12,000,000
Pre-tax gain on sale	21,000	$ 20,000
After-tax gain on sale of business	50,000
Carrying value of net assets disposed	(7,502,000)
Direct selling costs	$ (4,477,000)

Amount of assets disposed in disposal including discontinued operation.

No definition available.

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- Definition

Amount of direct selling costs paid or payable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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- Definition

Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

+ References

No definition available.

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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 cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

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