Related Party Transactions (Summary of Transactions Between the Company and the Founding Members Included in Balance Sheets) (Details) - USD ($) $ in Millions |
Dec. 29, 2016 |
Dec. 31, 2015 |
Jan. 01, 2015 |
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Related Party Transaction [Line Items] | ||||||
Current portion of notes receivable - founding members | [1] | $ 5.6 | $ 4.2 | |||
Long-term portion of note receivable - founding members | [1] | 8.3 | 12.5 | |||
Interest receivable on notes receivable (included in other current assets) | 0.3 | |||||
Intangible assets, net of accumulated amortization | 560.5 | 566.7 | $ 488.6 | |||
Current payable to founding members under tax receivable agreement | 18.4 | 26.2 | ||||
Long-term payable to founding members under tax receivable agreement | 143.4 | 140.3 | ||||
Common Unit Adjustments, Net of Amortization And Integration Payments [Member] | ||||||
Related Party Transaction [Line Items] | ||||||
Intangible assets, net of accumulated amortization | $ 529.9 | $ 535.9 | ||||
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