Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2014

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

	Three months ended				Six months ended
	June 30, 2014		June 30, 2013		June 30, 2014	June 30, 2013
Supplemental disclosures:	(in thousands)
Income taxes paid	$	9,850	$	5,904	10,533	6,089
Non-cash investing and financing activities:
Non-cash capital expenditures	262		274		264	290