Income Taxes (Schedule of Deferred Taxes Activity) (Details) - USD ($) $ in Millions	Dec. 29, 2017	Dec. 30, 2016
Deferred tax assets:
Accrued liabilities and reserves	$ 62.7	$ 103.3
Inventories	22.3	36.5
Tax loss and credit carryforwards	1,734.5	1,173.7
Environmental liabilities	17.0	28.5
Rebate reserves	1.6	48.0
Expired product	7.5	9.7
Postretirement benefits	14.0	47.5
Federal and state benefit of uncertain tax positions and interest	11.3	17.2
Share-based compensation	23.6	26.1
Other	16.0	0.0
Total deferred tax assets, gross	2,485.6	1,873.7
Deferred Tax Assets, Goodwill and Intangible Assets	575.1	383.2
Deferred tax liabilities:
Property, plant and equipment	(47.0)	(110.9)
Intangible assets	(181.0)	(759.2)
Interest-bearing deferred tax obligations	(553.5)	(1,801.4)
Investment in partnership	(108.8)	(173.6)
Deferred Tax Liabilities, Other	0.0	(2.0)
Total deferred tax liabilities, gross	(890.3)	(2,847.1)
Net deferred tax asset (liability) before valuation allowances	1,595.3	(973.4)
Valuation allowances	(2,267.9)	(1,398.3)
Deferred Tax Liabilities, Net	$ (672.6)	$ (2,371.7)