Debt (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 30, 2016
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	$ 0.5	$ 0.6
Long-term Debt, Current Maturities	245.4	271.8
Long-term debt
Long-term Debt	5,783.5	5,965.8
Total Debt	6,028.9	6,237.6
Total Debt Issuance Costs	84.1	85.6
Long-term Debt
Long-term debt
Debt Issuance Costs	83.6	85.0
Receivable Securitization
Current maturities of long-term debt
Variable Rate Receivable Securitization	225.0	250.0
Debt Issuance Costs, Current, Net	0.2	0.3
Term Loan \| Secured Debt
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	0.0	0.3
Long-term Debt, Current Maturities	0.0	20.0
Long-term debt
Long-term Debt	0.0	1,928.5
Debt Issuance Costs	0.0	33.4
4.00% Term Loan \| Secured Debt
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	0.0	0.0
Long-term Debt, Current Maturities	1.0	1.0
Long-term debt
Long-term Debt	5.4	5.5
Debt Issuance Costs	0.0	0.0
New Term Loan \| Secured Debt
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	0.3	0.0
Long-term Debt, Current Maturities	18.7	0.0
Long-term debt
Long-term Debt	1,846.3	0.0
Debt Issuance Costs	30.5	0.0
Capital Lease Obligations and Vendor Financing
Current maturities of long-term debt
Debt Issuance Costs, Current, Net	0.0	0.0
Capital Lease Obligations, Current	0.7	0.8
3.50% Senior Notes \| Unsecured Debt
Long-term debt
Long-term Debt	300.0	300.0
Debt Issuance Costs	0.7	0.9
4.88% Senior Notes \| Unsecured Debt
Long-term debt
Long-term Debt	700.0	700.0
Debt Issuance Costs	7.6	8.2
9.50% Debenture \| Debentures
Long-term debt
Long-term Debt	10.4	10.4
Debt Issuance Costs	0.0	0.0
5.75% Senior Notes \| Unsecured Debt
Long-term debt
Long-term Debt	884.0	884.0
Debt Issuance Costs	11.0	11.6
8.00% Debenture \| Debentures
Long-term debt
Long-term Debt	4.4	4.4
Debt Issuance Costs	0.0	0.0
4.75% Senior Notes \| Unsecured Debt
Long-term debt
Long-term Debt	600.0	600.0
Debt Issuance Costs	5.9	6.1
5.625% Senior Notes \| Unsecured Debt
Long-term debt
Long-term Debt	738.0	738.0
Debt Issuance Costs	11.0	11.4
5.50% Senior Notes \| Unsecured Debt
Long-term debt
Long-term Debt	695.0	695.0
Debt Issuance Costs	9.9	10.2
2017 Revolving Credit Facility [Member] [Domain] \| Secured Debt
Long-term debt
Long-term Debt	0.0
Debt Issuance Costs	$ 7.0
2015 Revolving Credit Facility \| Secured Debt
Long-term debt
Long-term Debt		100.0
Debt Issuance Costs		$ 3.2

Variable Rate Receivable Securitization

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- Definition

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

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

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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