Post-effective amendment to a registration statement that is not immediately effective upon filing

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Change in the Components of Accumulated Other Comprehensive Loss, Net of Tax (Details)

v3.21.1
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Change in the Components of Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 26, 2020
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Jun. 25, 2020
Dec. 31, 2019
AOCI Attributable to Parent, Net of Tax            
Beginning balance $ 233,666 $ 308,846 $ 487,750 $ 233,666 $ 487,750 $ 484,492
Other comprehensive income (loss) before reclassifications       8,630 (2,286) 25
Adoption of ASU 2018-02           (2,137)
Amounts reclassified from AOCI   (9) (48) (25) 318  
Purchase accounting adjustments to eliminate Predecessor’s accumulated other comprehensive (loss) income 10,027          
Ending balance   290,785 444,997 308,846 233,666 487,750
Predecessors            
AOCI Attributable to Parent, Net of Tax            
Beginning balance 439,722     439,722    
Ending balance         439,722  
Total Accumulated Other Comprehensive Income (Loss)            
AOCI Attributable to Parent, Net of Tax            
Beginning balance 0 8,605 (8,059) 0 (8,059) (5,947)
Ending balance 0 6,567 (9,895) 8,605 0 (8,059)
Total Accumulated Other Comprehensive Income (Loss) | Predecessors            
AOCI Attributable to Parent, Net of Tax            
Beginning balance (10,027)     (10,027)    
Ending balance         (10,027)  
Net Currency Translation Gains (Losses)            
AOCI Attributable to Parent, Net of Tax            
Beginning balance   7,774 2,885   2,885 4,428
Other comprehensive income (loss) before reclassifications       7,774 (2,286) (1,543)
Adoption of ASU 2018-02           0
Amounts reclassified from AOCI   0 0 0 0  
Purchase accounting adjustments to eliminate Predecessor’s accumulated other comprehensive (loss) income (599)          
Ending balance 0 5,727 1,001 7,774   2,885
Net Currency Translation Gains (Losses) | Predecessors            
AOCI Attributable to Parent, Net of Tax            
Beginning balance 599     599    
Ending balance         599  
Funded Status of Benefit Plans            
AOCI Attributable to Parent, Net of Tax            
Beginning balance   831 (10,944)   (10,944) (10,375)
Other comprehensive income (loss) before reclassifications       856 0 1,568
Adoption of ASU 2018-02           (2,137)
Amounts reclassified from AOCI   (9) (48) (25) 318  
Purchase accounting adjustments to eliminate Predecessor’s accumulated other comprehensive (loss) income 10,626          
Ending balance 0 $ 840 $ (10,896) 831   $ (10,944)
Funded Status of Benefit Plans | Predecessors            
AOCI Attributable to Parent, Net of Tax            
Beginning balance $ (10,626)     $ (10,626)    
Ending balance         $ (10,626)