PENSION AND POSTRETIREMENT BENEFITS (Narrative) (Detail) $ in Thousands		12 Months Ended
	Feb. 13, 2018 USD ($)	Dec. 31, 2017 USD ($) pension_plan	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans | pension_plan		10
Domestic plans | pension_plan		3
Foreign plans | pension_plan		7
Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Funded percentage		87.00%
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total projected benefit obligation		$ 868,887	$ 798,605	$ 774,710
Contributions made by employer		$ 4,561	$ 8,210
Discount rate		3.46%	3.88%
Plan amendment reducing projected benefit obligation			$ 0
Curtailment charge		$ 327		7,461
Expected return on assets assumption		7.47%	7.81%
Pension Plan [Member] | Domestic Plan [Member] | Cash And Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets as a percentage of consolidated assets		6.00%	3.00%
Pension Plan [Member] | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets as a percentage of consolidated assets		13.00%
Expected return on assets assumption		3.90%
Pension Plan [Member] | Foreign Plan [Member] | United Kingdom [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans | pension_plan		1
Pension Plan [Member] | Foreign Plan [Member] | Germany [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans | pension_plan		2
EMD [Member]
Defined Benefit Plan Disclosure [Line Items]
Percent of employees' gross pay withheld		1.50%
Parent Company's Retirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of years of service		1 year
Period after which accruals will cease		15 years
Vesting period		3 years
Parent Company's Retirement Benefit Plan [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Maximum employer contribution match percentage		6.00%
Parent Company's Retirement Benefit Plan [Member] | Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected employer contributions		$ 1,700
Liability, Other Retirement Benefits, Noncurrent		(25,000)	$ (24,400)
Parent Company's Retirement Benefit Plan [Member] | Domestic Plan [Member] | Other Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Pension Plan Reimbursement		100	400
Parent Company's Retirement Benefit Plan [Member] | Other Pension, Postretirement and Supplemental Plans [Member] | United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Expense relating to the defined contribution plan		12,900
Defined Contribution Plan, Employer Discretionary Contribution Amount		5,800
Defined Contribution Plans, Non-Elective Estimated Future Employer Contributions in Next Fiscal Year		7,100
Defined Contribution Plans, Estimated Future Employer Contributions in Next Fiscal Year		69,000
Parent Company's Retirement Benefit Plan [Member] | Other Pension, Postretirement and Supplemental Plans [Member] | Non-US [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension Cost (Reversal of Cost)		$ 4,200	4,200	4,800
Parent Company's Retirement Benefit Plan [Member] | Other Pension, Postretirement and Supplemental Plans [Member] | Maximum [Member] | United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Maximum employer contribution match percentage		6.00%
Parent Company's Retirement Benefit Plan [Member] | Other Pension Plan [Member] | Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Noncurrent pension liability			40,400
Foreign Company's Retirement Benefit Plan [Member] | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected employer contributions		$ 2,300
Total projected benefit obligation		97,400	91,000
Other Assets, Noncurrent		$ 1,500
Liability, Other Retirement Benefits, Noncurrent			(3,300)
Other Pension Plan [Member] | Foreign Plan [Member] | Switzerland [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans | pension_plan		1
Other Pension Plan [Member] | Parent Company's Retirement Benefit Plan [Member] | Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected employer contributions			3,000
Noncurrent pension liability		$ 48,700
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions made by employer				$ 145,000
Pension Plan [Member] | Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans merged into parent plan | pension_plan		3
Pension Plan [Member] | Foreign Plan [Member] | Mexico [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans | pension_plan		2
Pension Plan [Member] | Foreign Plan [Member] | Switzerland [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans | pension_plan		1
Pension Plan [Member] | Foreign Plan [Member] | Canada [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans | pension_plan		1
Pension Plan [Member] | Willams Controls [Member] | Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans merged into parent plan | pension_plan		2
Pension Plan [Member] | Parent Company's Retirement Benefit Plan [Member] | Domestic Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of pension and other post retirement defined benefit plans | pension_plan		1
Noncurrent pension liability		$ 45,100	$ 40,400
Subsequent Event [Member] | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributions made by employer	$ 50,000