Income Taxes (Details 1) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Components of deferred tax assets and liabilities
Tax credits	$ 201.1	$ 189.3
Inventory, other reserves, and accruals	250.6	243.9
Intangibles, net	459.8	328.3
Net operating loss	65.9	24.7
Share-based compensation	61.5	63.8
Other	49.0	35.8
Valuation allowance	(16.1)	(14.1)
Total deferred tax assets	1,071.8	871.7
Purchased intangible assets	(376.6)	(440.1)
Depreciation, amortization and other	(113.5)	(102.7)
Total deferred tax liabilities	$ 490.1	$ 542.8