Restructuring Costs (Tables)

12 Months Ended

Dec. 31, 2015

Restructuring Costs [Abstract]

Schedule of changes in accrual for restructuring costs

	Restructuring costs
Accrued expense balance as of December 31, 2014	$	(7,956	)
Amounts paid		18,815
Additional accrued expense		(15,003	)
Accrued expense balance as of December 31, 2015	$	(4,144	)