Earnings Per Share (Tables)

12 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Reconciliation From Basic To Diluted Average Common Shares And Net Earnings Per Common Share

The following table sets forth the reconciliation from basic to diluted weighted-average number of common shares outstanding and the calculations of net earnings per common share attributable to EnerSys stockholders.

	Fiscal year ended March 31,
	2020		2019		2018
Net earnings attributable to EnerSys stockholders	$	137,116	$	160,239	$	119,594
Weighted-average number of common shares outstanding:
Basic	42,411,834		42,335,023		42,612,036
Dilutive effect of:
Common shares from exercise and lapse of equity awards, net of shares assumed reacquired	484,941		673,929		507,820
Diluted weighted-average number of common shares outstanding	42,896,775		43,008,952		43,119,856
Basic earnings per common share attributable to EnerSys stockholders	$	3.23	$	3.79	$	2.81
Diluted earnings per common share attributable to EnerSys stockholders	$	3.20	$	3.73	$	2.77
Anti-dilutive equity awards not included in diluted weighted-average common shares	698,546		355,728		59,482