RESTRUCTURING (Details) (USD $)	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Restructuring Cost and Reserve
Restructuring expense	$ 136,000	$ 710,000
Restructuring reserves	0	600,000
Employee severance
Restructuring Cost and Reserve
Restructuring expense	100,000
Water Systems | Employee severance
Restructuring Cost and Reserve
Restructuring expense	100,000
Fueling Systems | Employee severance
Restructuring Cost and Reserve
Restructuring expense	0
Other | Employee severance
Restructuring Cost and Reserve
Restructuring expense	$ 0