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General Discussion Of Pension And Other Post Retirement Benefits (table)
9 Months Ended
Dec. 31, 2016
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
Three Months EndedNine Months Ended
December 31,December 26,December 31,December 26,
2016201520162015
(In thousands)
Service Cost$2,164$2,519$6,491$7,558
Interest Cost1,9192,1775,7566,532
Expected Return on Plan Assets(2,978)(2,625)(8,934)(7,877)
Amortization of Actuarial Loss6798442,0372,531
Amortization of Transition Asset27278282
Net Periodic Benefit Cost$1,811$2,942$5,432$8,826