RESTRUCTURING ACTIVITIES (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	$ 19,201
Cost Of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	10,778
Selling and Marketing Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	430
General and Administrative Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	7,993
Commercial Industrial [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	12,446
Commercial Industrial [Member] | Cost Of Sales [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	7,413
Commercial Industrial [Member] | Selling and Marketing Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	0
Commercial Industrial [Member] | General and Administrative Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	5,033
Defense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	6,107
Defense [Member] | Cost Of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	3,227
Defense [Member] | Selling and Marketing Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	417
Defense [Member] | General and Administrative Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	2,463
Energy [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	648
Energy [Member] | Cost Of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	138
Energy [Member] | Selling and Marketing Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	13
Energy [Member] | General and Administrative Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring And Related Cost Cost Incurred To Date	$ 497