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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

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