SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 05, 2014	Jan. 12, 2012
Summary Of Significant Accounting Policies [Line Items]
Allowance for doubtful accounts	$ 7,300,000	$ 5,600,000
Product warranty expense	28,900,000	35,400,000	$ 34,100,000
Accrued product warranty	138,992,000	92,064,000	87,849,000
Interest rate swap, accumulated other comprehensive loss	2,957,000	2,987,000
Foreign exchange transaction losses recognized in other (expense) income, net	4,001,000	4,659,000	2,445,000
Net income attributable to noncontrolling interest	8,517,000	0	0
Unbilled accounts receivable	274,912,000	103,814,000
Customer deposits	256,591,000	106,127,000
Provisions for loss contracts	60,500,000	11,800,000
Deferred pre-production costs	29,400,000	30,300,000
Research and development costs	$ 71,375,000	71,213,000	$ 61,886,000
Percentage of work force covered by collective bargaining agreements	35.00%
Agreements Expiring In 2015
Summary Of Significant Accounting Policies [Line Items]
Percentage of work force covered by collective bargaining agreements	20.00%
Interest rate swap agreements
Summary Of Significant Accounting Policies [Line Items]
Interest rate swap agreements, notional amount	$ 150,000,000			$ 150,000,000.0	$ 150,000,000.0
Interest rate swap agreement, current liability	3,888,000	$ 4,474,000
Interest rate swap, accumulated other comprehensive loss	$ 2,300,000
Maximum | Customer Concentration Risk | Sales Revenue, Net
Summary Of Significant Accounting Policies [Line Items]
Customer contribution to net sales (less than)		10.00%	10.00%
Accounting Standards Update 2015-07
Summary Of Significant Accounting Policies [Line Items]
Deferred tax assets		$ 71,700,000
Deferred Tax Liabilities, Net, Current		$ 800,000