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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

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