Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2017 |
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Statement Of Income And Comprehensive Income [Abstract] | |||
| Defined benefit pension and other postretirement plans, tax provision (benefit) | $ 1,364 | $ (804) | $ (1,802) |
| X | ||||||||||
- Definition Amount of tax (expense) benefit, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|