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Supplemental Cash Flow Information	6 Months Ended
Supplemental Cash Flow Information	Jun. 30, 2012
Supplemental Cash Flow Information	g. Supplemental Cash Flow Information. Cash paid, net of refunds, during the six months ended June 30, 2012 and 2011 for income taxes was $15.7 million and $46.4 million, respectively. Cash paid during the six months ended June 30, 2012 and 2011 for interest was $23.8 million and $54.9 million, 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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