Segment Information and Geographic Area Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	May 01, 2021
Segment Reporting Information [Line Items]
Net sales	$ 1,179.6	$ 1,163.6	$ 1,088.0
Income (loss) from operations	90.4	111.7	127.9
Interest expense, net	2.7	3.5	5.2
Other income, net	(2.4)	(10.3)	(12.2)
Pre-tax income	90.1	118.5	134.9
Purchases of property, plant and equipment	42.0	38.0	24.9
Depreciation and amortization	49.5	52.6	51.5
Identifiable assets	1,579.1	1,389.1	1,467.0
Automotive
Segment Reporting Information [Line Items]
Net sales	736.2	781.5	755.7
Income (loss) from operations	67.0	92.6	107.6
Purchases of property, plant and equipment	31.8	27.4	22.5
Depreciation and amortization	31.7	34.4	34.3
Identifiable assets	700.2	689.8	739.5
Industrial
Segment Reporting Information [Line Items]
Net sales	384.9	318.1	267.9
Income (loss) from operations	93.1	67.1	64.3
Purchases of property, plant and equipment	7.7	2.4	2.1
Depreciation and amortization	14.5	14.9	14.3
Identifiable assets	672.3	455.3	461.6
Interface
Segment Reporting Information [Line Items]
Net sales	54.9	59.8	61.6
Income (loss) from operations	5.5	9.9	8.9
Purchases of property, plant and equipment	0.1	0.0	0.0
Depreciation and amortization	0.2	0.2	0.3
Identifiable assets	127.2	108.1	90.4
Medical
Segment Reporting Information [Line Items]
Net sales	3.6	4.2	2.8
Income (loss) from operations	(6.1)	(5.5)	(4.6)
Purchases of property, plant and equipment	0.1	0.2	0.0
Depreciation and amortization	1.0	1.0	0.9
Identifiable assets	6.2	7.9	7.6
Eliminations/Corporate
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0
Income (loss) from operations	(69.1)	(52.4)	(48.3)
Purchases of property, plant and equipment	2.3	8.0	0.3
Depreciation and amortization	2.1	2.1	1.7
Identifiable assets	73.2	128.0	167.9
Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,179.6	1,163.6	1,088.0
Operating Segments | Automotive
Segment Reporting Information [Line Items]
Net sales	742.1	786.3	761.8
Operating Segments | Industrial
Segment Reporting Information [Line Items]
Net sales	403.2	325.7	273.2
Operating Segments | Interface
Segment Reporting Information [Line Items]
Net sales	55.1	59.8	61.6
Operating Segments | Medical
Segment Reporting Information [Line Items]
Net sales	3.6	4.2	2.8
Operating Segments | Eliminations/Corporate
Segment Reporting Information [Line Items]
Net sales	(24.4)	(12.4)	(11.4)
Transfers between Segments
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0
Transfers between Segments | Automotive
Segment Reporting Information [Line Items]
Net sales	(5.9)	(4.8)	(6.1)
Transfers between Segments | Industrial
Segment Reporting Information [Line Items]
Net sales	(18.3)	(7.6)	(5.3)
Transfers between Segments | Interface
Segment Reporting Information [Line Items]
Net sales	0.2	0.0	0.0
Transfers between Segments | Medical
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0
Transfers between Segments | Eliminations/Corporate
Segment Reporting Information [Line Items]
Net sales	$ 24.4	$ 12.4	$ 11.4