Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2017

Cash and Cash Equivalents

Schedule of cash and cash equivalent balances

(in thousands)	2017		2016
Cash and cash equivalents in domestic accounts	$	396,577	375,122
Cash and cash equivalents in foreign accounts		53,780	50,232
Total	$	450,357	425,354