Subsequent Event - Pending Sale of Bentley Prince Street (Details Textual) (USD $)	6 Months Ended
Jul. 01, 2012	Jan. 01, 2012
Segment Reporting Information [Line Items]
Net assets	$ 751,570,000	$ 772,272,000
Subsequent Event - Pending Sale of Bentley Prince Street (Textual) [Abstract]
Aggregate purchase price under the agreement paid in cash	35,000,000
Minimum [Member]
Segment Reporting Information [Line Items]
Exit costs related to the divestiture	7,000,000
Maximum [Member]
Segment Reporting Information [Line Items]
Exit costs related to the divestiture	9,000,000
Bentley Prince Street Business Segment [Member]
Segment Reporting Information [Line Items]
Net assets	$ 49,000,000

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The charge against earnings in the period, comprised of costs incurred associated with an exit or disposal activity other than for a discontinued operations as defined under generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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