CONSOLIDATED STATEMENT OF CASH FLOWS INFORMATION (Schedule of Cash Flow Supplemental Disclosures) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Supplemental Cash Flow Elements [Abstract]
Cash paid for interest	$ 3,545	$ 2,367
Income tax payments	3,794	3,950
Income tax refunds	492	67
Capital lease additions	884	1,024
Capitalized interest	$ 143	$ 132