Supplemental Cash Flow Disclosures (Tables)

12 Months Ended

Dec. 31, 2014

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Disclosures

	Year Ended December 31,
	2014		2013		2012
In thousands
Interest paid during the year	$	18,445	$	15,601	$	16,309
Income taxes paid during the year, net of amount refunded		125,212		137,945		135,691
Business acquisitions:
Fair value of assets acquired		454,596		267,306		198,066
Liabilities assumed		124,005		44,846		46,009
Cash paid		330,591		222,460		152,057
Less cash acquired		30,154		671		2,303
Net cash paid	$	300,437	$	221,789	$	149,754