Derivative Financial Instruments (Tables)

12 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value Of Derivative Instruments In The Consolidated Balance Sheets

Presented below in tabular form is information on the location and amounts of derivative fair values in the Consolidated Balance Sheets and derivative gains and losses in the Consolidated Statements of Income:

Fair Value of Derivative Instruments

March 31, 2020 and 2019

	Derivatives and Hedging Activities Designated as Cash Flow Hedges				Derivatives and Hedging Activities Not Designated as Hedging Instruments
	March 31, 2020		March 31, 2019		March 31, 2020		March 31, 2019
Prepaid and other current assets:
Foreign currency forward contracts	—		—		375		—
Total assets	$	—	$	—	$	375	$	—
Accrued expenses:
Lead forward contracts	$	2,433	$	902	$	—	$	—
Foreign currency forward contracts	374		8		—		241
Total liabilities	$	2,807	$	910	$	—	$	241

The Effect of Derivative Instruments on the Consolidated Statements of Income

The Effect of Derivative Instruments on the Consolidated Statements of Income

For the fiscal year ended March 31, 2020

Derivatives Designated as Cash Flow Hedges	Pretax Gain (Loss) Recognized in AOCI on Derivative (Effective Portion)			Location of Gain (Loss) Reclassified from AOCI into Income (Effective Portion)	Pretax Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Lead forward contracts	$	(8,683	)	Cost of goods sold	$	(1,690	)
Foreign currency forward contracts	(54		)	Cost of goods sold	539
Total	$	(8,737	)		$	(1,151	)

The Effect of Derivative Instruments on the Consolidated Statements of Income

For the fiscal year ended March 31, 2018

Derivatives Designated as Cash Flow Hedges	Pretax Gain (Loss) Recognized in AOCI on Derivative (Effective Portion)			Location of Gain (Loss) Reclassified from AOCI into Income (Effective Portion)	Pretax Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Lead forward contracts	$	(805	)	Cost of goods sold	$	5,860
Foreign currency forward contracts	(3,524		)	Cost of goods sold	(2,718		)
Total	$	(4,329	)		$	3,142

The Effect of Derivative Instruments on the Consolidated Statements of Income

For the fiscal year ended March 31, 2019

Derivatives Designated as Cash Flow Hedges	Pretax Gain (Loss) Recognized in AOCI on Derivative (Effective Portion)			Location of Gain (Loss) Reclassified from AOCI into Income (Effective Portion)	Pretax Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Lead forward contracts	$	(12,531	)	Cost of goods sold	$	(15,666	)
Foreign currency forward contracts	1,551			Cost of goods sold	385
Total	$	(10,980	)		$	(15,281	)

Effect Of Derivative Instruments

Derivatives Not Designated as Hedging Instruments	Location of Gain (Loss) Recognized in Income on Derivatives	Pretax Gain (Loss)
Foreign currency forward contracts	Other (income) expense, net	$	180
Total		$	180

Derivatives Not Designated as Hedging Instruments	Location of Gain (Loss) Recognized in Income on Derivatives	Pretax Gain (Loss)
Foreign currency forward contracts	Other (income) expense, net	$	(1,856	)
Total		$	(1,856	)

Derivatives Not Designated as Hedging Instruments	Location of Gain (Loss) Recognized in Income on Derivatives	Pretax Gain (Loss)
Foreign currency forward contracts	Other (income) expense, net	$	(178	)
Total		$	(178	)