Supplemental Cash Flow Disclosures (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Mar. 31, 2011
Supplemental Cash Flow Disclosures [Abstract]
Proceeds from bank borrowings and repayment of bank borrowings related to certain short-term facilities	$ 266.1

Proceeds from bank borrowings and repayment of bank borrowings.

No definition available.

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Namespace Prefix:	flex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration