v3.26.1
GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of carrying amount of goodwill (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 30, 2024
Dec. 31, 2024
Goodwill [Roll Forward]    
Beginning balance   $ 437,041
Acquisition of other businesses   56,028
Goodwill impairment   (84,345)
Reclassified as held for sale   (17,141)
Other   1,104
Ending balance   392,687
Operating Segments    
Goodwill [Roll Forward]    
Goodwill impairment $ (137,445)  
Corporate & All Other    
Goodwill [Roll Forward]    
Beginning balance   5,932
Acquisition of other businesses   56,028
Goodwill impairment $ (79,781) (57,664)
Reclassified as held for sale   (3,280)
Other   1,636
Ending balance   2,652
Capital Markets | Operating Segments    
Goodwill [Roll Forward]    
Beginning balance   159,366
Acquisition of other businesses   0
Goodwill impairment   0
Reclassified as held for sale   0
Other   (532)
Ending balance   158,834
Wealth Management | Operating Segments    
Goodwill [Roll Forward]    
Beginning balance   51,195
Acquisition of other businesses   0
Goodwill impairment   0
Reclassified as held for sale   (13,861)
Other   0
Ending balance   37,334
Lingo | Operating Segments    
Goodwill [Roll Forward]    
Beginning balance   71,551
Acquisition of other businesses   0
Goodwill impairment   0
Reclassified as held for sale   0
Other   0
Ending balance   71,551
magicJack | Operating Segments    
Goodwill [Roll Forward]    
Beginning balance   106,461
Acquisition of other businesses   0
Goodwill impairment   0
Reclassified as held for sale   0
Other   0
Ending balance   106,461
Marconi Wireless | Operating Segments    
Goodwill [Roll Forward]    
Beginning balance   128
Acquisition of other businesses   0
Goodwill impairment   0
Reclassified as held for sale   0
Other   0
Ending balance   128
UOL | Operating Segments    
Goodwill [Roll Forward]    
Beginning balance   15,727
Acquisition of other businesses   0
Goodwill impairment   0
Reclassified as held for sale   0
Other   0
Ending balance   15,727
Consumer Products | Operating Segments    
Goodwill [Roll Forward]    
Beginning balance   26,681
Acquisition of other businesses   0
Goodwill impairment   26,681
Reclassified as held for sale   0
Other   0
Ending balance   $ 0