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Stockholders’ Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Stock Incentive Plan
Treasury shares, acquired (in shares)	885,321
Treasury stock repurchased	$ 354,000
Treasury stock, weighted-average price (in USD per share)	$ 399.78
Amount of cash received from exercise of stock options	$ 37,900	$ 45,400	$ 23,600
Pretax intrinsic value of options exercised	72,400	$ 111,000
Intrinsic value of options outstanding	219,300
Intrinsic value of options exercisable	$ 213,100
Weighted average fair value per share, granted (in USD per share)	$ 171.20	$ 0	$ 124.44
Employee and non-employee stock option
Stock Incentive Plan
Stock option expense	$ 12,300	$ 12,400	$ 17,900
Nonvested awards unrecognized cost	$ 10,300
Weighted average period for non-vested awards expected to be recognized	1 year 8 months 12 days
Time-based Restricted Stock Units
Stock Incentive Plan
Stock option expense	$ 15,600	$ 14,200	$ 7,800
Performance period	3 years
Time-based Restricted Stock Units | Year one
Stock Incentive Plan
Annual award vesting percentage	33.33%	33.33%	33.33%
Time-based Restricted Stock Units | Employee Performance-Based Restricted Stock Awards
Stock Incentive Plan
Stock option expense	$ 6,600	$ 5,200	$ 5,100
Nonvested awards unrecognized cost	$ 6,800
Weighted average period for non-vested awards expected to be recognized	1 year 3 months 18 days
Performance period	3 years
Time-based Restricted Stock Units | Non-Employee Directors Restricted Stock Units
Stock Incentive Plan
Stock option expense	$ 1,700	1,700	1,700
Fair value restricted stock units granted	$ 170	$ 170	$ 170
Vesting period	1 year
Time-based Restricted Stock Units | FLIR Systems, Inc
Stock Incentive Plan
Nonvested awards unrecognized cost	$ 28,100
Weighted average period for non-vested awards expected to be recognized	1 year 9 months 18 days

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