Stock Repurchase Program (Tables)

9 Months Ended

Sep. 30, 2017

Class of Stock Disclosures [Abstract]

Stock Repurchase Program

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

	Nine Months Ended
(in thousands, except per share data)	September 30, 2017		September 30, 2016
Number of shares repurchased	2,000		2,700
Average price paid per share	$	111.65	$	90.11
Total cost	$	223,291	$	243,288