Reportable Segments - Summary of Segment Data (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 27, 2026	Mar. 28, 2025	Dec. 26, 2025
Revenues:
Total segment revenues	$ 533.7	$ 518.6
Cost of revenues:
Total cost revenues	449.3	434.6
Operating expenses:
Research and development	8.5	7.6
Sales and marketing	15.5	14.9
General and administrative	49.0	48.6
Total operating expenses	73.0	71.1
Segment operating profit:
Total segment operating profit	11.4	12.9
Interest income	1.4	1.1
Interest expense	(7.3)	(9.9)
Other income (expense), net	(1.3)	0.8
Income before provision for income taxes	4.2	4.9
Expenditures for segment property, plant and equipment
Total expenditures for segment assets	9.6	12.5
Depreciation and amortization
Total depreciation and amortization	19.2	19.1
Assets
Total segment assets	1,855.2		$ 1,729.0
Services
Operating expenses:
Total operating expenses	15.0	14.5
Operating Segments
Segment operating profit:
Total segment operating profit	11.4	12.9
Operating Segments | Products
Revenues:
Total segment revenues	465.7	457.0
Cost of revenues:
Total cost revenues	400.7	390.3
Operating expenses:
Research and development	6.1	5.2
Sales and marketing	12.2	12.0
General and administrative	39.7	39.4
Total operating expenses	58.0	56.6
Segment operating profit:
Total segment operating profit	7.0	10.1
Expenditures for segment property, plant and equipment
Total expenditures for segment assets	6.8	9.3
Depreciation and amortization
Total depreciation and amortization	12.8	12.7
Assets
Total segment assets	1,561.2		1,446.0
Operating Segments | Services
Revenues:
Total segment revenues	68.0	61.6
Cost of revenues:
Total cost revenues	48.6	44.3
Operating expenses:
Research and development	2.4	2.4
Sales and marketing	3.3	2.9
General and administrative	9.3	9.2
Segment operating profit:
Total segment operating profit	4.4	2.8
Expenditures for segment property, plant and equipment
Total expenditures for segment assets	2.8	3.2
Depreciation and amortization
Total depreciation and amortization	6.4	6.4
Assets
Total segment assets	294.0		$ 283.0
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment
Segment operating profit:
Interest income	1.4	1.1
Interest expense	(7.3)	(9.9)
Other income (expense), net	$ (1.3)	$ 0.8