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v3.8.0.1

Income Taxes - Deferred Taxes (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 25, 2016
--- | --- | ---
Deferred tax assets: |  |
Allowance for doubtful accounts | $ 0.2 | $ 0.4
Sundry accruals | 1.5 | 2.2
Vacation accrual | 3.2 | 4.7
Stock-based compensation | 3.1 | 5.2
Payroll related accruals | 2.1 | 2.9
Lease accruals | 2.5 | 4.5
Investments | 1.3 | 2.0
Net operating loss carryforwards | 95.7 | 124.8
Tax credit carryforwards | 9.5 | 9.4
Deferred revenue | 1.9 | 2.5
Reserves and other | 6.1 | 11.9
Gross deferred tax assets | 127.1 | 170.5
Valuation allowance | (87.5) | (133.1)
Total deferred tax assets, net of valuation allowance | 39.6 | 37.4
Deferred tax liabilities: |  |
Unearned revenue | (38.8) | (43.0)
Other intangibles | (5.4) | (7.0)
Property and equipment, principally due to differences in depreciation | (0.7) | (2.0)
Other | (1.7) | (2.7)
Total deferred tax liabilities | (46.6) | (54.7)
Net deferred tax liability | $ (7.0) | $ (17.3)

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