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INCOME AND OTHER TAXES (Details) - USD ($)
 3 Months Ended 9 Months Ended
Oct. 02, 2021
Jul. 03, 2021
Sep. 26, 2020
Jun. 27, 2020
Oct. 02, 2021
Sep. 26, 2020
Uncertain Tax Benefits            
Gross unrecognized tax benefits $ 7,300,000       $ 7,300,000  
Net unrecognized tax benefits 6,400,000       6,400,000  
Gross accrued interest 3,100,000       3,100,000  
Net accrued interest 2,500,000       2,500,000  
Penalties accrued 0       0  
Other Tax Matters            
Income tax provision 3,700,000   $ 3,100,000   9,800,000 $ 8,400,000
Pre-tax income (loss) from continuing operations $ 11,400,000   $ 18,700,000   $ 51,200,000 $ 48,700,000
Effective income tax rate (as a percent) 32.50%   16.60%   19.10% 17.20%
Excess tax expense (benefit), revaluation of deferred tax liabilities $ 700,000       $ (1,300,000)  
Tax benefits related to U.S. tax credits and incentives 1,200,000         $ 1,200,000
Uncertain tax positions and interest with various refund claims period   $ (2,200,000)     (2,200,000)  
Excess tax benefits from stock-based compensation awards vested         1,000,000.0 $ (1,500,000)
Tax benefits associated with statute expirations       $ (500,000)    
Maximum            
Uncertain Tax Benefits            
Reasonably possible amount that unrecognized tax benefits could decrease within next 12 months, high end of range $ 5,000,000.0       $ 5,000,000.0