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Business Acquisitions (Additional Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended			0 Months Ended	4 Months Ended
	Sep. 07, 2013	Mar. 23, 2013 Segment	Sep. 08, 2012	Sep. 07, 2013	Sep. 08, 2012	Dec. 29, 2012	Oct. 09, 2012 PLG [Member]	Dec. 29, 2012 PLG [Member]
Business Acquisition [Line Items]
Business acquisition price paid in cash							$ 1,249.5	$ 88.8
Number of operating segments (segment)		3
Acquisition-related transaction and integration costs	7.4		3.0	30.5	7.9
Compensation costs	4.6			20.3
Amortization of other purchased services	2.5		0.4	6.2	0.6
Acquisition-related interest expense			1.4	0	1.4
Professional and legal fees	0.3		2.6	1.6	7.3
Amortization of short-lived intangible assets				2.4
Net reduction to goodwill				(11.1)
Goodwill from the acquisition of PLG	408.5			408.5		419.6
Value of inventory	203.5			203.5		203.5	4.0
Fixed assets written up to estimated fair market value							$ 18.8

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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

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The amount of inventory recognized as of the acquisition date.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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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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The increase (decrease) in the fair value of servicing assets that are subsequently measured at fair value.

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Business Acquisition Interest Expense

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Business combination provisional information initial accounting incomplete adjustment in goodwill.

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Business combination recognized compensation expenses.

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Professional and legal fees.

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