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Supplemental Cash Flow Information	6 Months Ended
Supplemental Cash Flow Information	Jun. 30, 2015
Supplemental Cash Flow Information	h. Supplemental Cash Flow Information. Cash paid, net of refunds, during the six months ended June 30, 2015 and 2014 for income taxes was $43.6 million and $42.8 million, respectively. Cash paid during the six months ended June 30, 2015 and 2014 for interest was $6.9 million and $6.6 million, respectively.