Debt and Interest (Tables)

6 Months Ended

Jun. 30, 2015

Short-term Borrowings, Long-Term Debt, and Interest Expense: [Abstract]

Short-Term Borrowings and Long-Term Debt [Table Text Block]

Short-term borrowings and long-term debt consist of the following:

	June 30, 2015		December 31, 2014
Term loan due 2017	$	90,000	$	92,000
Revolver borrowings under the credit facility	154,000		44,000
Capital leases	3		5
Total borrowings	$	244,003	$	136,005
Less current portion	4,003		4,003
Long-term debt	$	240,000	$	132,002

Components of Interest Expense, Net [Table Text Block]

Interest expense, net consists of the following:

	Three months ended						Six months ended
	June 30, 2015			June 30, 2014			June 30, 2015			June 30, 2014
Interest expense	$	1,306		$	1,022		$	2,332		1,607
Deferred financing cost	142			131			285			263
Interest income	(30		)	(9		)	(37		)	(14		)
Less: amount capitalized for capital projects	(15		)	(16		)	(26		)	(23		)
Total interest expense, net	$	1,403		$	1,128		$	2,554		$	1,833