SEGMENT INFORMATION - Schedule of Financial Information by Reportable Segment and Geography (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2026	Mar. 29, 2025
Segment Reporting Information [Line Items]
Net sales	$ 811.9	$ 773.2
Inter-segment
Segment Reporting Information [Line Items]
Net sales	(2.8)	(2.1)
MS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	351.1	341.4
APS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	463.6	433.9
North America
Segment Reporting Information [Line Items]
Net sales	134.5	149.0
North America \| Inter-segment
Segment Reporting Information [Line Items]
Net sales	(2.8)	(2.1)
North America \| MS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	59.2	66.2
North America \| APS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	78.1	84.9
Taiwan
Segment Reporting Information [Line Items]
Net sales	207.9	175.7
Taiwan \| Inter-segment
Segment Reporting Information [Line Items]
Net sales	0.0	0.0
Taiwan \| MS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	73.5	62.0
Taiwan \| APS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	134.4	113.7
China
Segment Reporting Information [Line Items]
Net sales	147.3	153.4
China \| Inter-segment
Segment Reporting Information [Line Items]
Net sales	0.0	0.0
China \| MS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	61.9	71.4
China \| APS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	85.4	82.0
South Korea
Segment Reporting Information [Line Items]
Net sales	110.0	102.0
South Korea \| Inter-segment
Segment Reporting Information [Line Items]
Net sales	0.0	0.0
South Korea \| MS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	53.9	49.5
South Korea \| APS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	56.1	52.5
Japan
Segment Reporting Information [Line Items]
Net sales	89.6	70.2
Japan \| Inter-segment
Segment Reporting Information [Line Items]
Net sales	0.0	0.0
Japan \| MS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	40.0	31.9
Japan \| APS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	49.6	38.3
Europe
Segment Reporting Information [Line Items]
Net sales	54.4	62.0
Europe \| Inter-segment
Segment Reporting Information [Line Items]
Net sales	0.0	0.0
Europe \| MS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	26.4	24.8
Europe \| APS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	28.0	37.2
Southeast Asia
Segment Reporting Information [Line Items]
Net sales	68.2	60.9
Southeast Asia \| Inter-segment
Segment Reporting Information [Line Items]
Net sales	0.0	0.0
Southeast Asia \| MS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	36.2	35.6
Southeast Asia \| APS \| Operating Segments
Segment Reporting Information [Line Items]
Net sales	$ 32.0	$ 25.3