Fair Value Measurements (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Proceeds from corporate-owned life insurance policy	$ (1)	$ (21)
Cash Surrender Value [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	3,122	2,493
Unrealized gain (loss) relating to instruments held at reporting date	5	(2)
Purchases, sales, issuances and settlements, net	1	21
Balance at end of period	3,128	$ 2,512
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Insurance Settlements Receivable, Current	2,357		$ 2,357
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Insurance Settlements Receivable	$ 2,357		$ 2,357