Segment Identifiable Assets (Detail) (USD $) In Thousands	Jul. 02, 2011		Dec. 31, 2010		Jul. 03, 2010
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 5,052,312		$ 3,973,533		$ 3,852,700
Water Group
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	4,925,614		3,409,556		3,271,694
Technical Product Group
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	777,373		728,969		729,173
All Other Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ (650,675)	[1]	$ (164,992)	[1]	$ (148,167)	[1]

[1] All cash and cash equivalents are included in Other