Income Taxes - Components of Deferred Taxes (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Inventory	$ 271.1	$ 225.1
Net operating loss carryover	26.4	26.8
Tax credit carryover	187.1	16.4
Capital loss carryover	7.8	4.0
Accrued liabilities	72.0	67.0
Share-based compensation	74.6	106.3
Unremitted earnings of foreign subsidiaries	25.6	172.3
Other	11.2	42.3
Total deferred tax assets	675.8	660.2
Less: Valuation allowances	(42.7)	(41.3)
Total deferred tax assets after valuation	633.1	618.9
Deferred tax liabilities:
Fixed assets	(97.7)	(93.9)
Intangible assets	(106.4)	(140.6)
Other	(1.2)	(1.0)
Total deferred tax liabilities	(205.3)	(235.5)
Total net deferred tax assets	$ 427.8	$ 383.4