EMPLOYEE BENEFIT PLANS: (Tables)

12 Months Ended

Dec. 31, 2012

EMPLOYEE BENEFIT PLANS:

Schedule of severance pay details

	December 31,
	2012		2011
	(in thousands)
Accrued severance liability	$	11,821	$	10,433
Severance assets		8,907		7,767
Unfunded portion	$	2,914	$	2,666