Income Taxes - Components of Deferred Taxes (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Inventory	$ 273.6	$ 297.2
Net operating loss carryover	463.8	511.2
Tax credit carryover	86.6	55.1
Capital loss carryover	8.6	9.0
Product liability and litigation	45.8	53.9
Accrued liabilities	103.9	86.1
Share-based compensation	32.6	30.4
Accounts receivable	19.8	19.0
Foreign currency items		57.4
Other	55.4	19.2
Total deferred tax assets	1,090.1	1,138.5
Less: Valuation allowances	(470.1)	(542.1)
Total deferred tax assets after valuation allowances	620.0	596.4
Deferred tax liabilities:
Fixed assets	132.7	119.2
Intangible assets	687.5	787.6
Foreign currency items	3.8
Other	32.2	28.2
Total deferred tax liabilities	856.2	935.0
Total net deferred income taxes	$ (236.2)	$ (338.6)