INTANGIBLE ASSETS AND GOODWILL Details Goodwill (Details) (USD $)	6 Months Ended
	Jul. 02, 2011	Jan. 02, 2010
Change in the Carrying Amount of Goodwill by Reporting Segment
Goodwill, Beginning Balance	$ 165,193,000	$ 165,200,000
Acquisitions	7,300,000
Adjustments to prior year acquisitions	500,000
Foreign currency translation	2,700,000
Goodwill, Ending Balance	175,729,000	165,200,000
Additional payments of certain product sales, percentage	5.00%
Water Systems
Change in the Carrying Amount of Goodwill by Reporting Segment
Goodwill, Beginning Balance		107,000,000
Acquisitions	7,300,000
Adjustments to prior year acquisitions	0
Foreign currency translation	2,600,000
Goodwill, Ending Balance	116,900,000	107,000,000
Fueling Systems
Change in the Carrying Amount of Goodwill by Reporting Segment
Goodwill, Beginning Balance		58,200,000
Acquisitions	0
Adjustments to prior year acquisitions	500,000
Foreign currency translation	100,000
Goodwill, Ending Balance	$ 58,800,000	$ 58,200,000