Preliminary valuation of business acquisition during the period.

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Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

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Name of the acquired entity.

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This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012	Jul. 08, 2013
Acquisitions [Abstract]
Date of Acquisition	Jul. 08, 2013
Business Acquisition, Name of Acquired Entity	Backflip Studios, LLC
Noncontrolling Interest, Ownership Percentage by Parent					70.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					30.00%
Preliminary Valuation					$ 160,000
Payments to Acquire Businesses, Gross	112,000
Intangible Assets, Valuation					35,000
Goodwill, Valuation	119,000
Net Loss Attributable to Noncontrolling Interests	(731)	0	(731)	0
Net tangible assets acquired					6,000
Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value					$ 48,000