Fair Value Measurements (Table Text Block)

12 Months Ended

Mar. 31, 2017

Mar. 31, 2016

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis

Year Ended March 31, 2017		Total		Level 1		Level 2		Level 3
		(In thousands)
Assets
Short-term investments	$	521,911	$	521,710	$	201	$	–
Fixed maturities - available for sale		1,625,845		6,491		1,619,024		330
Preferred stock		13,489		13,489		–		–
Common stock		24,434		24,434		–		–
Derivatives		4,260		4,260		–		–
Total	$	2,189,939	$	570,384	$	1,619,225	$	330
Liabilities
Guaranteed residual values of TRAC leases	$	–	$	–	$	–	$	–
Derivatives		4,903		–		4,903		–
Total	$	4,903	$	–	$	4,903	$	–

Year Ended March 31, 2016		Total		Level 1		Level 2		Level 3
		(In thousands)
Assets
Short-term investments	$	499,491	$	499,491	$	–	$	–
Fixed maturities - available for sale		1,448,941		96,328		1,352,275		338
Preferred stock		18,428		18,428		–		–
Common stock		23,420		23,420		–		–
Derivatives		3,344		3,344		–		–
Total	$	1,993,624	$	641,011	$	1,352,275	$	338
Liabilities
Guaranteed residual values of TRAC leases	$	–	$	–	$	–	$	–
Derivatives		14,845		–		14,845		–
Total	$	14,845	$	–	$	14,845	$	–

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

		Fixed Maturities - Asset Backed Securities
		(In thousands)
Balance at March 31, 2015	$	1,004
Fixed Maturities - Asset Backed Securities - redeemed		(753)
Fixed Maturities - Asset Backed Securities - net gain (realized)		34
Fixed Maturities - Asset Backed Securities - net gain (unrealized)		53
Balance at March 31, 2016	$	338
Fixed Maturities - Asset Backed Securities - redeemed		(12)
Fixed Maturities - Asset Backed Securities - net gain (unrealized)		4
Balance at March 31, 2017	$	330