Restructuring Charges	6 Months Ended
Restructuring Charges	Oct. 31, 2013
Restructuring Charges [Abstract]
Restructuring Charges	NOTE J--RESTRUCTURING CHARGES In the third quarter of fiscal 2012, the continuing impact of the housing economy’s lengthy downturn caused the Company to announce a restructuring initiative (“2012 Restructuring Plan”) that committed to the closing of two of the Company’s manufacturing plants located in Hardy County, West Virginia and Hazard, Kentucky, offering its previously idled plant in Tahlequah, Oklahoma for sale, and realigning its retirement program, including freezing the Company’s defined benefit pension plans. Operations ceased at the Hazard plant in April 2012 and at the Hardy County plant in May 2012. The 2012 Restructuring Plan was adopted to reduce costs and increase the Company’s capacity utilization rates. During fiscal 2013 and fiscal 2012, the Company recognized aggregate pre-tax restructuring charges of $17.3 million related to the 2012 Restructuring Plan. During the six months ended October 31, 2013, the Company recognized pre-tax restructuring charges of $0.1 million related to the 2012 Restructuring Plan. In addition, the Company recognized recurring operating costs for the closed facilities of $0.2 million for the six months ended October 31, 2013 that are expected to continue until the plants are sold. As of October 31, 2013, the Company had two manufacturing plants classified as held for sale, which were closed in the 2012 Restructuring Plan. During the second quarter of fiscal 2013, the Company sold its closed plant located in Tahlequah, Oklahoma. The Company believes that the remaining $2.7 million net book value of the two properties classified as held for sale is fully recoverable. These assets are included in Other Assets on the Company’s balance sheet at October 31, 2013.

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

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