Business Segment Data - Narrative (Details) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 27, 2025 USD ($) segment1	Dec. 27, 2024 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment1	3
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 1,180.7	$ 1,191.6
Assets	3,164.9	3,096.2
North America
Segment Reporting Information [Line Items]
Property, plant and equipment, net	152.7	155.3
Assets	666.7	670.9
Europe
Segment Reporting Information [Line Items]
Property, plant and equipment, net	29.5	28.8
Assets	368.9	345.1
Middle East
Segment Reporting Information [Line Items]
Property, plant and equipment, net	46.4	48.1
Assets	221.1	226.8
Africa
Segment Reporting Information [Line Items]
Property, plant and equipment, net	35.8	32.9
Assets	158.5	156.8
Asia
Segment Reporting Information [Line Items]
Property, plant and equipment, net	84.9	85.7
Assets	237.5	236.4
Central America
Segment Reporting Information [Line Items]
Property, plant and equipment, net	614.9	616.8
Assets	1,047.5	1,035.6
South America
Segment Reporting Information [Line Items]
Property, plant and equipment, net	45.8	47.3
Assets	100.0	110.5
Maritime Equipment
Segment Reporting Information [Line Items]
Property, plant and equipment, net	166.4	172.6
Assets	180.2	180.6
Corporate Segment
Segment Reporting Information [Line Items]
Property, plant and equipment, net	4.3	4.1
Assets	$ 184.5	$ 133.5
COSTA RICA | Property, Plant and Equipment | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percent)	38.00%
United States | Property, Plant and Equipment | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percent)	10.00%	10.00%