CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended
	Aug. 01, 2015	Aug. 02, 2014
Income Statement [Abstract]
Net sales	$ 203.3	$ 218.1
Cost of products sold	149.7	167.6
Gross profit	53.6	50.5
Selling and administrative expenses	23.2	22.2
Income from operations	30.4	28.3
Interest income, net	(0.2)	0.0
Other income, net	(0.3)	(0.1)
Income before income taxes	30.9	28.4
Income tax expense	7.4	7.0
Net income	23.5	21.4
Less: Net income attributable to noncontrolling interest	0.0	0.0
NET INCOME ATTRIBUTABLE TO METHODE ELECTRONICS, INC.	$ 23.5	$ 21.4
Amounts per common share attributable to Methode Electronics, Inc.:
Basic (in dollars per share)	$ 0.60	$ 0.56
Diluted (in dollars per share)	0.60	0.55
Cash dividends:
Common stock (in dollars per share)	$ 0.09	$ 0.09
Weighted average number of Common Shares outstanding:
Basic (in shares)	38,904,743	38,464,558
Diluted (in shares)	39,030,798	38,648,204