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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
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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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- Definition 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. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The increase (decrease) in the fair value of servicing assets that are subsequently measured at fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122625-111746 + Details
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