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Income Taxes (Tables)
12 Months Ended
Jan. 02, 2021
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit)
Significant components of the provision for income taxes, including those related to non-controlling interest, are as follows (in thousands):
202020192018
Current:   
Federal$18,365 $20,122 $15,663 
State6,030 5,418 4,877 
Foreign146 662 936 
Current provision24,541 26,202 21,476 
Deferred:   
Federal(9,100)4,140 4,002 
State(2,395)1,634 1,320 
Foreign(580)235 (1,399)
Deferred provision(12,075)6,009 3,923 
Total income tax expense$12,466 $32,211 $25,399 
Schedule of Effective Income Tax Rate Reconciliation
The differences between the actual tax expense and tax expense computed at the statutory United States federal tax rate are explained as follows (in thousands):
 202020192018
Federal statutory tax expense$11,420 $29,970 $24,943 
State taxes, net of federal tax effect2,387 5,159 3,997 
Credit for increasing research activities(3,891)(4,050)(3,950)
Valuation allowance1,264 98 (1,141)
Goodwill impairment1,453 — — 
Equity based compensation106 639 (666)
Change in uncertain tax positions(335)(357)766 
Foreign income tax rate differential(44)596 124 
Other – net106 156 1,326 
Total income tax expense$12,466 $32,211 $25,399 
Schedule of Deferred Tax Assets and Liabilities
Significant components of the Corporation’s deferred tax liabilities and assets are as follows (in thousands):
January 2,
2021
December 28,
2019
Deferred Taxes  
Allowance for doubtful accounts$1,228 $746 
Compensation7,187 7,243 
Inventory differences2,725 1,445 
Marketing accrual885 1,238 
Stock-based compensation8,494 7,680 
Accrued post-retirement benefit obligations6,676 6,287 
Vacation accrual2,896 2,687 
Warranty accrual4,185 3,842 
Net operating loss carryforward6,654 4,522 
Capital loss carryforward2,012 2,011 
Lease liability16,392 17,212 
Payroll deferral4,114 — 
Other – net9,290 8,916 
Total deferred tax assets$72,738 $63,829 
Deferred income(4,743)(4,838)
Goodwill and other intangible assets(48,934)(54,951)
Prepaid expenses(6,454)(6,867)
Right of use asset(16,626)(16,251)
Tax over book depreciation(58,556)(57,682)
Total deferred tax liabilities$(135,313)$(140,589)
Valuation allowance(11,524)(10,260)
Total net deferred tax liabilities$(74,099)$(87,020)
  
Long-term net deferred tax assets607 176 
Long-term net deferred tax liabilities(74,706)(87,196)
Total net deferred tax liabilities$(74,099)$(87,020)
Summary of Valuation Allowance
The valuation allowance for deferred tax assets is as follows (in thousands):
Balance at beginning of periodCharged to expensesAdjustments to balance sheetBalance at end of period
Year ended January 2, 2021$10,260 $1,264 $— $11,524 
Year ended December 28, 2019$7,153 $98 $3,009 $10,260 
Year ended December 29, 2018$8,664 $(839)$(672)$7,153 
Summary of Income Tax Contingencies
A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):
20202019
Balance at beginning of period$2,578 $2,937 
Increases in positions taken in a prior period53 14 
Decreases in positions taken in a prior period— (127)
New positions taken in a current period364 562 
Decrease due to lapse of statute of limitations(768)(808)
Balance at end of period$2,227 $2,578