Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Environmental and other similar items	$ 73.2	$ 82.9	$ 83.5
Employee related and benefit items	170.3	166.6	129.3
Operating lease liabilities	463.1	448.9	430.6
Other items	192.0	232.8	204.0
Total deferred tax assets	898.6	931.2	847.4
Deferred tax liabilities:
Intangible assets and Property, plant, and equipment	1,053.7	1,156.4	1,232.6
LIFO inventories	68.6	87.6	80.5
Operating lease right-of-use assets	448.4	434.0	417.8
Other items	33.3	31.7	28.1
Total deferred tax liabilities	1,604.0	1,709.7	1,759.0
Net deferred tax liabilities	$ 705.4	$ 778.5	$ 911.6