Stock Repurchase Program (Tables)

3 Months Ended

Mar. 31, 2018

Class of Stock Disclosures [Abstract]

Stock Repurchase Program

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

	Three Months Ended
(in thousands, except per share data)	March 31, 2018		March 31, 2017
Number of shares repurchased	750		1,000
Average price paid per share	$	157.11	$	100.35
Total cost	$	117,831	$	100,352