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Deferred Revenue And Remaining Performance Obligations (Tables)
 3 Months Ended
Apr. 01, 2022
Revenue Recognition and Deferred Revenue [Abstract]  
Deferred Revenue And Performance Obligations
Changes in our deferred revenue during the first quarter of 2022 and 2021 were as follows: 
  First Quarter of
(In millions) 20222021
Beginning balance of the period$631.8 $613.8 
Revenue recognized (234.6)(247.3)
Billing and other net activities306.7 252.4 
Ending balance of the period$703.9 $618.9