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Supplemental Cash Flow Information - Changes In Operating Assets And Liabilities, Net of Acquisitions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 29, 2019 | Dec. 30, 2018 | Dec. 31, 2017
Supplemental Cash Flow Elements [Abstract] |  |  |
(Increase) decrease in trade accounts receivable | $ 46.0 | $ (32.0) | $ (126.2)
(Increase) decrease in prepaid expenses and other assets | 6.0 | (9.5) | (14.2)
(Increase) decrease in ROU assets | 0.7 | 0.0 | 0.0
Increase (decrease) increase in accounts payable and accrued liabilities | (43.0) | 17.0 | 63.9
Increase (decrease) in operating lease liabilities | (21.6) | 0.0 | 0.0
Increase (decrease) in accrued payroll and related taxes | (13.2) | (21.0) | 32.9
Increase (decrease) in accrued workers’ compensation and other claims | (1.9) | 1.9 | 6.7
Increase (decrease) in income and other taxes | 0.6 | 2.1 | 7.1
Total changes in operating assets and liabilities, net of acquisitions | $ (26.4) | $ (41.5) | $ (29.8)

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- Definition The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period of all taxes owed but not paid, including income, property and other taxes. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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