Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Loss - Additional Information (Detail)

v3.8.0.1
Accumulated Other Comprehensive Loss - Additional Information (Detail)
12 Months Ended
Mar. 31, 2018
USD ($)
Statement of Comprehensive Income [Abstract]  
Reclassifications out of Accumulated other comprehensive loss $ 0