Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 25, 2026	Sep. 26, 2025	Sep. 25, 2026	Sep. 26, 2025
Numerator:
Net income (loss) attributable to Del Monte Corporation	$ 18.3	$ (29.1)	$ 49.4	$ 58.8
Denominator:
Weighted average number of ordinary shares - Basic (shares)	47,146,531	47,917,663	47,331,071	47,942,661
Effect of dilutive securities - share-based employee options and awards (shares)	202,876	0	277,011	271,543
Weighted average number of ordinary shares - Diluted (shares)	47,349,407	47,917,663	47,608,082	48,214,204
Antidilutive awards (shares)	230,248	593,035	216,028	0
Net income (loss) per ordinary share attributable to Del Monte Corporation:
Basic (usd per share)	$ 0.39	$ (0.61)	$ 1.04	$ 1.23
Diluted (usd per share)	$ 0.39	$ (0.61)	$ 1.04	$ 1.22