Employee Benefit and Retirement Plans (Narrative) (Details) $ in Thousands	12 Months Ended
	Apr. 30, 2015 USD ($) plan	Apr. 30, 2014 USD ($)	Apr. 30, 2013 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Recognized expenses for profit-sharing contributions	$ 1,800	$ 800	$ 300
401(k) contributions, percent match of employee's annual contribution			100.00%
Effective maximum contribution of base earnings			4.00%
Expense for 401(k) matching contributions	$ 5,600	4,100	$ 2,500
Number of defined benefit pension plans | plan	2
Accumulated other comprehensive loss	$ 67,000
Accumulated other comprehensive loss, net of tax	40,857	25,980
Expected recognized net actuarial losses in net periodic pension benefit cost, before tax	1,400
Expected recognized net actuarial losses in net periodic pension benefit cost, after tax	900
Accumulated benefit obligation	169,986	144,142
Expected company contributions to pension plan in 2015	5,000
Company contributions	$ 4,269	$ 2,258
Plan asset actual allocation	100.00%	100.00%
Capital Preservation [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan asset actual allocation	16.00%
Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan asset actual allocation	26.00%
Equity Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan asset actual allocation	58.00%	50.00%
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Percent of after tax earnings contributed in profit sharing	0.00%
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Percent of after tax earnings contributed in profit sharing	5.00%
American Woodmark Investment Savings Stock Ownership Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, minimum age requirement	18 years
Defined contribution plan, minimum consecutive months employed requirement	6 months