Financial Instruments and Fair Value Measurements (Schedule of Carrying Amount and Fair Value of Long-term Debt) (Details) - USD ($) $ in Millions	Mar. 29, 2019	Dec. 28, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	$ 5,357.5	$ 5,269.1
Long-term Debt	5,873.1	6,134.0
Total Debt	5,893.2	6,156.7
Receivable securitization, Maturity Date of July 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	250.0	250.0
Long-term Debt	250.0	250.0
Secured Debt \| Term Loan due 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Loans Payable	1,528.6	1,613.8
Long-term Debt	1,513.0	1,597.4
Loans Payable, Fair Value Disclosure	1,425.2	1,472.4
Secured Debt \| 2017 Revolving Credit Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	405.0	220.0
Long-term Debt	405.0	220.0
Secured Debt \| Term Loan due 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Loans Payable	405.6	597.0
Long-term Debt	401.5	591.0
Loans Payable, Fair Value Disclosure	384.2	548.0
Unsecured Debt \| 4.88% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	695.8	676.6
Long-term Debt	700.0	700.0
Unsecured Debt \| 5.75% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	655.7	713.6
Long-term Debt	693.2	835.2
Unsecured Debt \| 4.75% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	387.8	336.7
Long-term Debt	490.2	500.2
Unsecured Debt \| 5.625% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	602.1	557.0
Long-term Debt	721.4	731.4
Unsecured Debt \| 5.50% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	535.4	479.1
Long-term Debt	682.1	692.1
Unsecured Debt \| ACOA Loan due 2028
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Loans Payable	2.3	2.2
Long-term Debt	1.9	1.9
Loans Payable, Fair Value Disclosure	2.2	2.2
Debentures \| 9.50% Debenture
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	10.1	9.7
Long-term Debt	10.4	10.4
Debentures \| 8.00% Debenture
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Total debt, fair value	4.0	3.8
Long-term Debt	$ 4.4	$ 4.4

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Name Accounting Standards Codification
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- Definition

Fair value portion of contractual obligation to pay money on demand or on fixed or determinable dates.

+ References

No definition available.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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