SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES ALL EXCEPT PRODUCT WARRANTY COSTS (Details)		12 Months Ended			36 Months Ended
	Dec. 16, 2014	Dec. 31, 2016 USD ($) entity $ / shares shares	Dec. 31, 2015 USD ($) shares	Dec. 31, 2014 USD ($) shares	Dec. 31, 2016 USD ($) shares	Nov. 11, 2014 USD ($)
Significant Accounting Policies [Line Items]
Ratio of shares of common stock to be distributed to shareholders	0.5
Revenues derived from percentage of completion accounting, percentage		27.30%	27.70%	25.50%
Costs and estimated earnings in excess of billings on uncompleted contracts		$ 106,000,000	$ 87,700,000		$ 106,000,000
Excess over average costs on long-term contracts		517,300,000	438,100,000		517,300,000
Accounts receivable - trade, allowance for doubtful accounts		6,100,000	6,300,000		$ 6,100,000
Impairment loss		0	0	$ 0
Impairments of long lived assets		$ 0	0	0
Number of reportable units | entity		5
Percentage of discounted closing price for Employee Stock Purchase Plan		85.00%
Employee Stock Purchase Plan, rights granted		$ 900,000	1,000,000	1,300,000
Stock compensation		0	0	0
Number of options granted | shares					0
Purchase of treasury stock		$ 86,700,000	$ 155,300,000	$ 7,000,000
Share repurchase program
Significant Accounting Policies [Line Items]
Purchase of treasury stock, share | shares		1,721,338
Purchase of treasury stock		$ 75,200,000
Share authorized under a share repurchase program						$ 400,000,000
Average price per share | $ / shares		$ 43.68
Long Term Incentive Plans
Significant Accounting Policies [Line Items]
Purchase of treasury stock, share | shares		203,903	117,349	99,911
Purchase of treasury stock		$ 11,400,000	$ 5,200,000	$ 7,000,000
Boeing | Sales Revenue, Net
Significant Accounting Policies [Line Items]
Percentage of net sales		13.00%	10.00%	12.00%
No other individual customer | Sales Revenue, Net
Significant Accounting Policies [Line Items]
Percentage of net sales			10.00%	10.00%
Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life		1 year
Useful life (years)		3 years
Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life		50 years
Useful life (years)		34 years