Stock Repurchase Program

12 Months Ended

Dec. 31, 2018

Class of Stock Disclosures [Abstract]

Stock Repurchase Program

Stock Repurchase Program

Under the Company's stock repurchase program, the Company repurchased shares as follows:

	Year Ended December 31,
(in thousands, except per share data)	2018		2017		2016
Number of shares repurchased	1,674		2,750		3,700
Average price paid per share	$	161.12	$	122.20	$	90.90
Total cost	$	269,801	$	336,042	$	336,335

The most recent amendment to the program, authorizing the repurchase of up to 5.0 million shares, was approved by the Company's Board of Directors in February 2018. There is no expiration date to this amendment. As of December 31, 2018, 3.8 million shares remained available for repurchase under the program.