RETIREMENT AND DEFERRED COMPENSATION PLANS (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Domestic Plans
Components of net periodic benefit cost:
Service cost	$ 2,225,000	$ 1,804,000
Interest cost	1,250,000	1,228,000
Expected return on plan assets	(1,414,000)	(1,401,000)
Amortization of net loss	1,434,000	964,000
Amortization of prior service cost	1,000	1,000
Net periodic benefit cost	3,496,000	2,596,000
Expected contribution in current fiscal year	10,000,000
Foreign Plans
Components of net periodic benefit cost:
Service cost	969,000	519,000
Interest cost	665,000	645,000
Expected return on plan assets	(452,000)	(388,000)
Amortization of net loss	352,000	121,000
Amortization of prior service cost	93,000	92,000
Net periodic benefit cost	1,627,000	989,000
Expected contribution in current fiscal year	4,300,000
Defined benefit plans, employer contributions	$ 700,000