Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 295.5	$ 300.8	$ 583.3	$ 491.7
Goods Transferred at a Point in Time
Disaggregation of Revenue [Line Items]
Net sales	288.7	291.8	570.4	477.7
Goods Transferred Over Time
Disaggregation of Revenue [Line Items]
Net sales	6.8	9.0	12.9	14.0
Automotive
Disaggregation of Revenue [Line Items]
Net sales	196.0	215.7	391.8	340.8
Automotive | Goods Transferred at a Point in Time
Disaggregation of Revenue [Line Items]
Net sales	189.2	206.7	378.9	326.8
Automotive | Goods Transferred Over Time
Disaggregation of Revenue [Line Items]
Net sales	6.8	9.0	12.9	14.0
Industrial
Disaggregation of Revenue [Line Items]
Net sales	80.7	67.9	159.2	119.9
Industrial | Goods Transferred at a Point in Time
Disaggregation of Revenue [Line Items]
Net sales	80.7	67.9	159.2	119.9
Interface
Disaggregation of Revenue [Line Items]
Net sales	18.0	16.4	30.7	29.8
Interface | Goods Transferred at a Point in Time
Disaggregation of Revenue [Line Items]
Net sales	18.0	16.4	30.7	29.8
Medical
Disaggregation of Revenue [Line Items]
Net sales	0.8	0.8	1.6	1.2
Medical | Goods Transferred at a Point in Time
Disaggregation of Revenue [Line Items]
Net sales	0.8	0.8	1.6	1.2
North America
Disaggregation of Revenue [Line Items]
Net sales	160.0	176.6	314.8	287.1
North America | Automotive
Disaggregation of Revenue [Line Items]
Net sales	99.3	117.8	198.4	194.1
North America | Industrial
Disaggregation of Revenue [Line Items]
Net sales	42.1	41.8	84.5	62.4
North America | Interface
Disaggregation of Revenue [Line Items]
Net sales	17.8	16.2	30.3	29.4
North America | Medical
Disaggregation of Revenue [Line Items]
Net sales	0.8	0.8	1.6	1.2
EMEA
Disaggregation of Revenue [Line Items]
Net sales	78.3	74.9	155.9	116.5
EMEA | Automotive
Disaggregation of Revenue [Line Items]
Net sales	54.9	58.2	112.7	87.0
EMEA | Industrial
Disaggregation of Revenue [Line Items]
Net sales	23.4	16.7	43.2	29.5
Asia
Disaggregation of Revenue [Line Items]
Net sales	57.2	49.3	112.6	88.1
Asia | Automotive
Disaggregation of Revenue [Line Items]
Net sales	41.8	39.7	80.7	59.7
Asia | Industrial
Disaggregation of Revenue [Line Items]
Net sales	15.2	9.4	31.5	28.0
Asia | Interface
Disaggregation of Revenue [Line Items]
Net sales	$ 0.2	$ 0.2	$ 0.4	$ 0.4