RESTRUCTURING (Details) (USD $)	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012	Jul. 01, 2014
Restructuring Cost and Reserve
Restructuring expense	$ 16,611,000	$ 3,719,000	$ 221,000
Restructuring reserves	13,100,000	0
Employee severance
Restructuring Cost and Reserve
Restructuring expense	14,700,000
Equipment relocation
Restructuring Cost and Reserve
Restructuring expense	700,000
Asset write-off
Restructuring Cost and Reserve
Restructuring expense	200,000
Other
Restructuring Cost and Reserve
Restructuring expense	1,000,000
Water Systems
Restructuring Cost and Reserve
Restructuring expense	16,100,000
Water Systems | Employee severance
Restructuring Cost and Reserve
Restructuring expense	14,300,000
Water Systems | Equipment relocation
Restructuring Cost and Reserve
Restructuring expense	700,000
Water Systems | Asset write-off
Restructuring Cost and Reserve
Restructuring expense	200,000
Water Systems | Other
Restructuring Cost and Reserve
Restructuring expense	900,000
Fueling Systems
Restructuring Cost and Reserve
Restructuring expense	500,000
Fueling Systems | Employee severance
Restructuring Cost and Reserve
Restructuring expense	400,000
Fueling Systems | Equipment relocation
Restructuring Cost and Reserve
Restructuring expense	0
Fueling Systems | Asset write-off
Restructuring Cost and Reserve
Restructuring expense	0
Fueling Systems | Other
Restructuring Cost and Reserve
Restructuring expense	100,000
Other
Restructuring Cost and Reserve
Restructuring expense	0
Other | Employee severance
Restructuring Cost and Reserve
Restructuring expense	0
Other | Equipment relocation
Restructuring Cost and Reserve
Restructuring expense	0
Other | Asset write-off
Restructuring Cost and Reserve
Restructuring expense	0
Other | Other
Restructuring Cost and Reserve
Restructuring expense	0
Wittlich Facility Closure
Restructuring Cost and Reserve
Restructuring and related cost, expected cost				$ 19,400,000