Other Assets (Tables)

12 Months Ended

Dec. 31, 2014

Other Assets [Abstract]

Schedule of Other Assets, Noncurrent [Table Text Block]

	December 31,
	2014		2013
Restricted insurance settlement	$	23,599	$	25,462
Deferred compensation assets		779		894
Supplemental retirement income program		1,361		1,885
Uncertain tax positions		5,516		4,677
Other		2,487		3,349
Total	$	33,742	$	36,267