Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2016

Accounting Policies [Abstract]

Cash and Cash Equivalents

The Company’s cash and cash equivalent balances comprise the following:

	September 30, 2016			December 31, 2015
(in thousands, except percentages)	Amount		% of Total	Amount		% of Total
Cash accounts	$	503,107	60.0	$	427,244	54.5
Money market mutual funds	334,809		40.0	356,924		45.5
Total	$	837,916		$	784,168