XML 43 R27.htm IDEA: XBRL DOCUMENT

Subsequent Event	12 Months Ended
Subsequent Event	Apr. 30, 2019
Subsequent Event
Subsequent Event	21. Subsequent Event On June 3, 2019, the Company acquired the acoustical and drywall operations of J.P. Hart Lumber Company (“Hart Acoustical & Drywall Supply”). Hart Acoustical & Drywall Supply distributes drywall, metal studs, insulation and ceiling tiles through two locations in San Antonio, TX and one location in La Feria, TX.