ACQUISITIONS (Narrative) (Detail)	12 Months Ended								0 Months Ended		12 Months Ended	0 Months Ended		12 Months Ended	0 Months Ended		12 Months Ended		0 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended		0 Months Ended	12 Months Ended
	Dec. 31, 2014 USD ($) NumberAcquisitions	Dec. 31, 2013 NumberAcquisitions	Dec. 31, 2012 NumberAcquisitions	Dec. 31, 2012 2012 Acquisitions [Member] USD ($)	Dec. 31, 2013 2013 Acquisitions [Member] USD ($)	Dec. 31, 2014 2014 acquisitions [Member] USD ($)	Dec. 31, 2014 Component Coating and Repair Services [Member] USD ($)	May 31, 2013 Component Coating and Repair Services [Member] GBP (£)	Jan. 10, 2014 Component Coating and Repair Services [Member] Commercial Industrial [Member] USD ($)	Jan. 10, 2014 Component Coating and Repair Services [Member] Commercial Industrial [Member] GBP (£)	Dec. 31, 2014 NPSI [Member] USD ($)	Feb. 18, 2014 NPSI [Member] Energy [Member] USD ($)	Feb. 18, 2014 NPSI [Member] Energy [Member] CAD	Dec. 31, 2013 NPSI [Member] Energy [Member] CAD	Jun. 04, 2014 Engemasa Pressure Relief Valve [Member] Energy [Member] USD ($)	Oct. 01, 2013 Parvus Corporation [Member] Defense [Member] USD ($) employee	Dec. 31, 2012 Parvus Corporation [Member] Defense [Member] USD ($)	Oct. 01, 2013 Parvus Corporation [Member] Defense [Member]	Feb. 28, 2013 other acquisitions [Member] Energy [Member] USD ($)	Dec. 31, 2013 other acquisitions [Member] Energy [Member] NumberAcquisitions	Oct. 04, 2013 Arens Controls [Member] Commercial Industrial [Member] USD ($) employee	Dec. 31, 2012 Arens Controls [Member] Commercial Industrial [Member] USD ($)	Oct. 04, 2013 Arens Controls [Member] Commercial Industrial [Member]	Feb. 28, 2013 Phonix Group [Member] Commercial Industrial [Member] USD ($) employee	Dec. 31, 2012 Phonix Group [Member] Commercial Industrial [Member] USD ($)	Dec. 31, 2013 Gulf33 [Member] Energy [Member] USD ($)	Dec. 31, 2013 Ovalpath [Member] Energy [Member] USD ($)
Business Acquisition [Line Items]
Payments to acquire business				$ 462,416,000	$ 236,135,000	$ 34,364,000	$ 24,645,000		$ 25,000,000	£ 15,000,000	$ 7,965,000	$ 8,000,000	9,000,000		$ 1,800,000	$ 37,059,000			$ 5,578,000		$ 95,612,000			$ 97,886,000		$ 3,300,000	$ 2,300,000
Number of Businesses Acquired	3	5	8
Effective date of acquisition									Jan. 10, 2014	Jan. 10, 2014		Feb. 18, 2014	Feb. 18, 2014		Jun. 04, 2014	Oct. 01, 2013					Oct. 04, 2013			Feb. 28, 2013
Percentage acquired																		100.00%					100.00%
Employee Date of Acquisition																50					120			282
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period								6,400,000						5,000,000			20,000,000					57,000,000			60,000,000
Business Combination, Number of Separate Transactions																				2
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	19,100,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual	$ 200,000