Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Comprehensive Income (Parenthetical)

v2.4.1.9
Consolidated Statements of Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Statement of Comprehensive Income [Abstract]      
Defined benefit pension and other postretirement plans, tax (benefit) provision $ (1,802)us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax $ 1,244us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax $ 50us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax