XML 56 R42.htm IDEA: XBRL DOCUMENT v3.21.2
Curtailment of Manufacturing Facility (Details) - Curtailment of I-joist Production at Roxboro, NC Facility
$ in Millions
9 Months Ended
Sep. 30, 2020
USD ($)
Restructuring Cost and Reserve [Line Items]  
Accelerated depreciation $ 15.0
Loss on curtailment of facility  
Restructuring Cost and Reserve [Line Items]  
Other closure-related costs $ 1.7