XML 16 R53.htm IDEA: XBRL DOCUMENT v2.3.0.15

Segment Information (Details Textual)	Sep. 30, 2011 JointVenture Segments
Segment Information (Textual) [Abstract]
Number of operating segments	3

X

- Definition

Number of operating segments.

+ Details

Name:	fls_NumberOfOperatingSegments
Namespace Prefix:	fls
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Segment information.

+ Details

Name:	fls_SegmentInformationTextualAbstract
Namespace Prefix:	fls
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration