RETIREMENT AND DEFERRED COMPENSATION PLANS (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Domestic Plans
Components of net periodic benefit cost:
Service cost	$ 1,831,000	$ 1,405,000	$ 5,443,000	$ 4,095,000
Interest cost	1,247,000	1,165,000	3,706,000	3,392,000
Expected return on plan assets	(1,422,000)	(1,566,000)	(4,227,000)	(3,608,000)
Amortization of net loss	978,000	398,000	2,907,000	1,245,000
Amortization of prior service cost	1,000	1,000	3,000	3,000
Net periodic benefit cost	2,635,000	1,403,000	7,832,000	5,127,000
Defined benefit plans, employer contributions			14,000,000
Foreign Plans
Components of net periodic benefit cost:
Service cost	573,000	517,000	1,601,000	1,547,000
Interest cost	660,000	650,000	1,935,000	1,945,000
Expected return on plan assets	(371,000)	(462,000)	(1,138,000)	(1,383,000)
Amortization of net loss	116,000	200,000	355,000	599,000
Amortization of prior service cost	88,000	97,000	270,000	291,000
Net periodic benefit cost	1,066,000	1,002,000	3,023,000	2,999,000
Expected contribution in current fiscal year	6,000,000		6,000,000
Defined benefit plans, employer contributions			$ 1,300,000