Quarterly report pursuant to Section 13 or 15(d)

Executive Retirement (Detail)

v3.10.0.1
Executive Retirement (Detail)
$ in Millions
9 Months Ended
Sep. 30, 2018
USD ($)
Restructuring and Related Activities [Abstract]  
Separation Agreement, Consulting Fees $ 0.3
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost $ 0.6