Income Taxes (Details 1) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Components of deferred tax assets and liabilities
Tax credits	$ 189.3	$ 69.0
Inventory, other reserves, and accruals	243.9	217.3
Intangibles, net	328.3	251.7
Net operating loss	24.7	20.6
Share-based compensation	63.8	86.0
Other	35.8	60.0
Valuation allowance	(14.1)	(11.5)
Total deferred tax assets	871.7	693.1
Purchased intangible assets	(440.1)	(432.8)
Depreciation, amortization and other	(102.7)	(107.0)
Total deferred tax liabilities	$ 542.8	$ 539.8