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Business Acquisitions (Additional Information) (Details) - USD ($) $ in Millions |  | 12 Months Ended
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Oct. 09, 2012 | Jan. 02, 2016 | Jan. 03, 2015 | Dec. 28, 2013
Business Acquisition [Line Items] |  |  |  |
Business acquisition price paid in cash | $ 1,249.5 |  |  |
Acquisition-related transaction and integration costs |  | $ 0.0 | $ 15.2 | $ 41.5
Compensation Expense [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition-related transaction and integration costs |  |  | 3.9 | 26.2
Purchased Services [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition-related transaction and integration costs |  |  | 1.1 | 10.6
Other Integration Costs [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition-related transaction and integration costs |  |  | $ 10.2 |
Amortization Expense [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition-related transaction and integration costs |  |  |  | 2.4
Professional and Legal Fees [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition-related transaction and integration costs |  |  |  | $ 2.3

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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 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=66902209&loc=d3e3213-108585 + Details
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