PENSION AND OTHER POSTRETIREMENT BENEFITS (Tables)

6 Months Ended

Jun. 30, 2011

PENSION AND OTHER POSTRETIREMENT BENEFITS

Components of net cost for pension benefit plans

	Three months endedJune 30,						Six months endedJune 30,
	2011			2010			2011			2010
Service cost	$	1,466		$	1,134		$	2,830		$	1,334
Interest cost	858			774			1,657			888
Expected return on plan assets	(789		)	(565		)	(1,517		)	(565		)
Amortization of prior service credit	(5		)	(20		)	(11		)	(41		)
Amortization of net (gain) loss	(33		)	—			(64		)	—
Net periodic benefit cost	$	1,497		$	1,323		$	2,895		$	1,616