SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015	Jan. 02, 2016
Segment Reporting Information
Net sales to external customers	$ 218,430	$ 225,728
Operating income/(loss)	21,071	15,867
Total assets	1,032,523		$ 996,111
Water Systems
Segment Reporting Information
Net sales to external customers	168,800	179,200
Operating income/(loss)	24,200	19,400
Total assets	712,000		677,600
Fueling Systems
Segment Reporting Information
Net sales to external customers	49,600	46,500
Operating income/(loss)	10,200	9,600
Total assets	249,400		248,500
Other
Segment Reporting Information
Net sales to external customers	0	0
Operating income/(loss)	(13,300)	$ (13,100)
Total assets	$ 71,100		$ 70,000