Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2011

Employee Benefit Plans [Abstract]

Schedule Of Net Periodic Benefit Cost

	Three Months Ended September 30,						Nine Months Ended September 30,
	2011			2010			2011			2010
Service cost	$	789		$	924		$	2,720		$	2,707
Interest cost		725			686			2,615			2,022
Expected return on plan assets		(405	)		(253	)		(1,630	)		(759	)
Prior service cost		(22	)		(21	)		(92	)		(63	)
Recognized loss		151			164			613			493
Total	$	1,238		$	1,500		$	4,226		$	4,400