Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
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| Statement Of Income And Comprehensive Income [Abstract] | ||
| Defined benefit pension and other postretirement plans, tax | $ 123 | $ 107 |
| 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
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| X | ||||||||||
- References No definition available.
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