ACQUISITION (Narrative) (Detail)	3 Months Ended	0 Months Ended		3 Months Ended	12 Months Ended	0 Months Ended		3 Months Ended	12 Months Ended
	Mar. 31, 2014 USD ($) NumberAcquisitions	Jan. 10, 2014 Component Coating and Repair Services [Member] Commercial Industrial [Member] USD ($)	Jan. 10, 2014 Component Coating and Repair Services [Member] Commercial Industrial [Member] GBP (£)	Mar. 31, 2014 Component Coating and Repair Services [Member] Commercial Industrial [Member]	May 31, 2013 Component Coating and Repair Services [Member] Commercial Industrial [Member] GBP (£)	Feb. 18, 2014 NPSI [Member] Energy [Member] USD ($)	Feb. 18, 2014 NPSI [Member] Energy [Member] CAD	Mar. 31, 2014 NPSI [Member] Energy [Member]	Dec. 31, 2013 NPSI [Member] Energy [Member] CAD
Business Acquisition [Line Items]
Number of Businesses Acquired	2
Effective date of acquisition				Jan. 10, 2014				Feb. 18, 2014
Business Acquisition, Percentage of Voting Interests Acquired		100.00%	100.00%
Purchase price net of cash acquired		$ 24,892,000	£ 15,000,000			$ 8,000,000	9,000,000
Revenue reported by acquiree in last reporting period					6,400,000				5,000,000
Actual pro forma Revenue by acquiree	2,700,000
Actual pro forma earnings of aquiree	$ (300,000)