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Supplemental Cash Flow Information	9 Months Ended
Supplemental Cash Flow Information	Sep. 30, 2013
Supplemental Cash Flow Information
Supplemental Cash Flow Information	3. Supplemental Cash Flow Information Cash paid for interest during the nine months ended September 30, 2013 and 2012 was $0.7 million and $0.8 million, respectively. Income taxes paid, net of refunds, were $11.1 million and $11.3 million, for the nine months ended September 30, 2013 and 2012, respectively. The Company has reflected a $1.0 million decrease and a $1.4 million increase in accounts payable and accrued liabilities for changes in unpaid capital expenditures for the nine months ended September 30, 2013 and 2012, respectively.