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Income Taxes (Tables)
12 Months Ended
Dec. 27, 2020
Income Tax Disclosure [Abstract]  
Schedule of Income before Income Tax, Domestic and Foreign
The components of income (loss) from continuing operations before income taxes are comprised of the following (in millions):
December 27, 2020December 29, 2019December 30, 2018
Domestic$(1.6)$6.8 $2.2 
Foreign8.4 8.9 6.5 
Total$6.8 $15.7 $8.7 
Schedule of Components of Income Tax Expense (Benefit)
The provision (benefit) for income taxes from continuing operations are comprised of the following (in millions):
Year Ended
December 27, 2020December 29, 2019December 30, 2018
Federal income taxes:
Current
$— $(0.2)$(0.4)
Deferred
(68.2)(3.9)(1.8)
Total Federal
(68.2)(4.1)(2.2)
State and local income taxes:
Current
0.5 1.0 0.4 
Deferred
(9.4)(0.9)1.4 
Total State and local
(8.9)0.1 1.8 
Foreign income taxes:
Current
4.2 9.0 4.8 
Deferred
(0.6)(0.2)0.2 
Total Foreign
3.6 8.8 5.0 
Total$(73.5)$4.8 $4.6 
Schedule of Income Tax Reconciliation
A reconciliation of the total income tax provision (benefit) to the amount computed by applying the statutory federal income tax rate of 21% to the income from continuing operations before income taxes for the years ended December 27, 2020, December 29, 2019 and December 30, 2018 is as follows (in millions):

Year Ended
December 27, 2020December 29, 2019December 30, 2018
Income tax at federal statutory rate$1.4 $3.3 $1.8 
State taxes, net of federal tax benefit and valuation allowance0.6 0.6 0.9 
Difference in tax rates between U.S. and foreign1.3 1.9 0.7 
Increase (decrease) in valuation allowance(80.1)(3.3)4.7 
Nondeductible expense1.0 1.0 0.6 
Increase in reserve for uncertain tax positions3.0 7.7 4.0 
Changes to indefinite life items and separate state deferred taxes(0.1)0.4 (0.7)
One-time transition tax on previously undistributed foreign earnings— — 2.2 
Decrease in deferred taxes related to disposition— — (9.6)
Release of valuation allowance due to acquisitions(1.3)(5.2)— 
Stock-based compensation0.7 (1.6)— 
Total$(73.5)$4.8 $4.6 
Schedule of Deferred Tax Assets and Liabilities
The tax effects of temporary differences that give rise to deferred tax assets and deferred tax liabilities are as follows (in millions):
December 27, 2020December 29, 2019
Deferred tax assets:
Stock-based compensation$7.9 $5.3 
Payroll related accruals11.7 9.2 
Lease accruals21.7 22.1 
Net operating loss carryforwards66.0 75.1 
Tax credit carryforwards11.7 11.2 
Other18.5 20.2 
137.5 143.1 
Valuation allowance(7.4)(88.6)
Total deferred tax assets, net of valuation allowance130.1 54.5 
Deferred tax liabilities:
Unearned revenue(10.7)(19.0)
Operating lease right-of-use assets(19.7)(20.2)
Other intangibles(24.6)(21.0)
Property and equipment, principally due to differences in depreciation(7.0)(2.0)
Other(1.5)(1.3)
Total deferred tax liabilities(63.5)(63.5)
Net deferred tax asset (liability)$66.6 $(9.0)
Schedule of Unrecognized Tax Benefits Roll Forward
The following table summarizes the activity related to the Company’s unrecognized tax benefits (in millions):

Balance as of December 31, 2017$15.6 
Increases related to prior periods0.5 
Increases related to current year tax positions4.0 
Expiration of applicable statutes of limitations(0.4)
Decreases related to prior year tax positions(0.3)
Decreases related to disposition(1.7)
Balance as of December 30, 201817.7 
Increases related to prior periods0.2 
Increases related to current year tax positions6.3 
Expiration of applicable statutes of limitations(0.1)
Decreases related to settlement with tax authorities(0.1)
Balance as of December 29, 201924.0 
Increases related to prior periods0.2 
Increases related to current year tax positions1.5 
Expiration of applicable statutes of limitations(0.3)
Decreases related to settlement with tax authorities— 
Balance as of December 27, 2020$25.4