CWP and Workers Comp - Net Periodic Costs (Tables)

6 Months Ended

Jun. 30, 2014

CWP And Workers Comp Net Periodic Costs [Abstract]

Components of Net Periodic Benefit Costs

Components of net periodic costs (benefits) for the three and six months ended June 30 are as follows:

	CWP												Workers' Compensation
	Three Months Ended						Six Months Ended						Three Months Ended						Six Months Ended
	June 30,						June 30,						June 30,						June 30,
	2014			2013			2014			2013			2014			2013			2014			2013
Service cost	$	1,418		$	2,135		$	2,837		$	4,270		$	2,445		$	3,533		$	4,890		$	7,066
Interest cost	1,385			1,808			2,769			3,616			895			1,655			1,789			3,310
Amortization of actuarial gain	(1,549		)	(4,212		)	(3,098		)	(8,425		)	(96		)	(699		)	(191		)	(1,398		)
State administrative fees and insurance bond premiums	—			—			—			—			929			1,345			2,039			3,004
Legal and administrative costs	—			—			—			—			—			591			—			1,182
Net periodic cost (benefit)	$	1,254		$	(269	)	$	2,508		$	(539	)	$	4,173		$	6,425		$	8,527		$	13,164