Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2016

Cash and Cash Equivalents [Abstract]

Cash and Cash Equivalent Balances

(in thousands)	2016		2015
Cash and cash equivalents in domestic accounts	$	375,122	307,578
Cash and cash equivalents in foreign accounts		50,232	81,750
Total	$	425,354	389,328