Debt (Tables)

3 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

Debt consists of:

	March 31,		December 31,
	2014		2013
Revolving credit agreement	$	32,292	$	—
6.75% Senior Notes due 2020		660,000		660,000
Original issue premium		3,918		4,056
Notes payable and other bank loans		80		120
		696,290		664,176
Obligations under capital leases		934		952
		697,224		665,128
Less current portion:		424		467
	$	696,800	$	664,661