Income Taxes - Components of Deferred Taxes (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Inventory	$ 260.3	$ 159.7
Net operating loss carryover	181.3	117.4
Tax credit carryover	110.4	207.8
Capital loss carryover	2.3	4.2
Accrued liabilities	182.2	190.2
Share-based compensation	60.3	59.0
Accounts receivable	22.3	23.7
Other	101.9	133.6
Total deferred tax assets	921.0	895.6
Less: Valuation allowances	(88.3)	(72.7)
Total deferred tax assets after valuation allowances	832.7	822.9
Deferred tax liabilities:
Fixed assets	138.7	144.6
Intangible assets	2,343.7	2,337.2
Unremitted earnings of foreign subsidiaries	1,159.4	1,374.8
Other		4.3
Total deferred tax liabilities	3,641.8	3,860.9
Total net deferred income taxes	$ (2,809.1)	$ (3,038.0)