Subsequent Event	12 Months Ended
Jan. 03, 2026
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On January 29, 2026, the Company entered into a definitive agreement to acquire the shares of voestalpine BÖHLER Profil GmbH & Co KG and voestalpine BÖHLER Profil VerwaltungsGmbH (collectively, voestalpine BÖHLER Profil), a global supplier of tailor-made special profiles with complex geometries and high-performance industrial knives, for approximately 157,000,000 euros in cash, subject to certain customary adjustments. The closing of this acquisition is subject to receipt of certain Austrian regulatory approvals and the satisfaction of customary closing conditions, and will be financed primarily through borrowings under the Company's revolving credit facility. Upon closing, voestalpine BÖHLER Profil will become part of the Company's Industrial Processing segment and its name will change to Kadant Profil GmbH & Co KG.

Subsequent Event

12 Months Ended

Jan. 03, 2026

On January 29, 2026, the Company entered into a definitive agreement to acquire the shares of voestalpine BÖHLER Profil GmbH & Co KG and voestalpine BÖHLER Profil VerwaltungsGmbH (collectively, voestalpine BÖHLER Profil), a global supplier of tailor-made special profiles with complex geometries and high-performance industrial knives, for approximately 157,000,000 euros in cash, subject to certain customary adjustments. The closing of this acquisition is subject to receipt of certain Austrian regulatory approvals and the satisfaction of customary closing conditions, and will be financed primarily through borrowings under the Company's revolving credit facility. Upon closing, voestalpine BÖHLER Profil will become part of the Company's Industrial Processing segment and its name will change to Kadant Profil GmbH & Co KG.