Supplemental Cash Flow Information	6 Months Ended
Supplemental Cash Flow Information	Jun. 30, 2013
Supplemental Cash Flow Information
Supplemental Cash Flow Information	3. Supplemental Cash Flow Information Cash paid for interest was $0.5 million for both the six months ended June 30, 2013 and 2012. Income taxes paid, net of refunds, were $5.5 million and $5.8 million, for the six months ended June 30, 2013 and 2012, respectively. The Company has reflected a $0.9 million decrease and a $0.4 million increase in accounts payable and accrued liabilities for changes in unpaid capital expenditures for the six months ended June 30, 2013 and 2012, respectively.

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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