Segment Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 02, 2024	Oct. 28, 2023	Nov. 02, 2024	Oct. 28, 2023	Apr. 27, 2024
Segment Reporting Information [Line Items]
Net sales	$ 292.6	$ 288.0	$ 551.1	$ 577.7
Income (loss) from operations	9.4	(51.3)	1.9	(47.5)
Interest expense, net	6.2	4.4	11.0	7.2
Other expense (income), net	1.6	(0.2)	2.4	(0.2)
Pre-tax income (loss)	1.6	(55.5)	(11.5)	(54.5)
Goodwill impairment		56.5		56.5
Identifiable assets	1,375.1		1,375.1		$ 1,403.5
Automotive
Segment Reporting Information [Line Items]
Net sales	145.5	154.3	280.3	312.6
Income (loss) from operations	0.7	(61.5)	(5.0)	(64.3)
Goodwill impairment		56.5		56.5
Identifiable assets	617.7		617.7		592.7
Industrial
Segment Reporting Information [Line Items]
Net sales	131.4	120.4	242.9	235.8
Income (loss) from operations	24.3	25.7	41.2	49.9
Goodwill impairment		0.0		0.0
Identifiable assets	608.8		608.8		604.5
Interface
Segment Reporting Information [Line Items]
Net sales	15.7	11.7	27.9	26.9
Income (loss) from operations	4.7	1.0	6.6	3.9
Goodwill impairment		0.0		0.0
Identifiable assets	71.4		71.4		67.1
Medical
Segment Reporting Information [Line Items]
Net sales	0.0	1.6	0.0	2.4
Income (loss) from operations	0.0	(0.7)	0.0	(2.9)
Goodwill impairment		0.0		0.0
Identifiable assets	0.2		0.2		0.2
Eliminations/Corporate
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Income (loss) from operations	(20.3)	(15.8)	(40.9)	(34.1)
Goodwill impairment		0.0		0.0
Identifiable assets	77.0		77.0		$ 139.0
Operating Segments
Segment Reporting Information [Line Items]
Net sales	292.6	288.0	551.1	577.7
Operating Segments | Automotive
Segment Reporting Information [Line Items]
Net sales	148.1	158.0	284.8	319.1
Operating Segments | Industrial
Segment Reporting Information [Line Items]
Net sales	139.4	128.0	256.5	250.6
Operating Segments | Interface
Segment Reporting Information [Line Items]
Net sales	15.7	11.7	27.9	27.0
Operating Segments | Medical
Segment Reporting Information [Line Items]
Net sales	0.0	1.6	0.0	2.4
Operating Segments | Eliminations/Corporate
Segment Reporting Information [Line Items]
Net sales	(10.6)	(11.3)	(18.1)	(21.4)
Transfers between Segments
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Transfers between Segments | Automotive
Segment Reporting Information [Line Items]
Net sales	(2.6)	(3.7)	(4.5)	(6.5)
Transfers between Segments | Industrial
Segment Reporting Information [Line Items]
Net sales	(8.0)	(7.6)	(13.6)	(14.8)
Transfers between Segments | Interface
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	(0.1)
Transfers between Segments | Medical
Segment Reporting Information [Line Items]
Net sales	0.0	0.0	0.0	0.0
Transfers between Segments | Eliminations/Corporate
Segment Reporting Information [Line Items]
Net sales	$ 10.6	$ 11.3	$ 18.1	$ 21.4