Income Taxes (Details 3) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Deferred tax assets:
Inventory	$ 218.5	$ 234.3
Net operating loss carryover	23.5	22.0
Tax credit carryover	16.9	32.5
Capital loss carryover	4.0	0
Accrued liabilities	116.1	91.3
Share-based compensation	98.3	85.4
Unremitted earnings of foreign subsidiaries	103.9	104.2
Other	73.1	59.2
Total deferred tax assets	654.3	628.9
Less: Valuation allowances	(40.3)	(39.9)
Total deferred tax assets after valuation	614.0	589.0
Deferred tax liabilities:
Fixed assets	(111.6)	(101.7)
Intangible assets	(148.9)	(151.9)
Accrued liabilities	(1.0)	(0.7)
Other	0	(1.0)
Total deferred tax liabilities	(261.5)	(255.3)
Total net deferred tax assets	$ 352.5	$ 333.7