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Share-Based Compensation - Additional Information (Detail)
Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-Based Compensation, Performance Units, vesting percentage based on Return on Invested Capital, low end of range 0.00%
Share-Based Compensation, Performance Units, vesting percentage based on Return on Invested Capital, high end of range 200.00%