Accrued liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Major Components of Accrued Liabilities

The major components of accrued liabilities are:

	December 31,
	2012		2011
Employees related accruals—current	$	14,214	$	6,088
Other operating accruals		64,570		32,409
Accrued interest		9,789		9,711
Retirement benefits and other accruals		700		2,000
Total accrued liabilities	$	89,273	$	50,208
Total short-term accrued liabilities	$	88,573	$	48,208
Total long-term accrued liabilities	$	700	$	2,000