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Stock Plans (Summary of Restricted Stock Award Activity) (Details) - Restricted Stock Awards [Member]
shares in Thousands
12 Months Ended
Jan. 01, 2023
$ / shares
shares
Restricted stock award activity  
Nonvested at beginning of year | shares 637
Shares, granted | shares 134
Shares, vested | shares (238)
Shares, forfeited | shares (80)
Nonvested at end of year | shares 453
Weighted-average grant-date fair value, nonvested at beginning of year (per share) | $ / shares $ 144.62
Weighted-average grant-date fair value of stock granted (per share) | $ / shares 164.65
Weighted-average grant-date fair value, vested (per share) | $ / shares 137.90
Weighted-average grant-date fair value, forfeited (per share) | $ / shares 151.75
Weighted-average grant-date fair value, nonvested at end of year (per share) | $ / shares $ 152.79