Interest Expense, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Jun. 30, 2012	Jun. 30, 2011
Interest Expense, Net (Textual) [Abstract]
Interest income included in interest expense, net	$ 0.3	$ 0.7

Net of interest income included in interest expense.

No definition available.

Name:	xide_NetOfInterestIncomeIncludedInInterestExpense
Namespace Prefix:	xide_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration