Cash, Cash Equivalents and Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2017

Cash, Cash Equivalents and Marketable Securities [Abstract]

Summary of investments in cash, cash equivalents and marketable securities

The following table summarizes our cash and investments in cash equivalents and marketable securities held by investment managers and overnight investments:



	March 31, 2017			December 31, 2016
	(in thousands)
Overnight holdings
Money market funds (cash equivalents)	$	265,076		$	255,091
Investment holdings
Money market funds (cash equivalents)	28,167			28,231
Marketable securities	1,841			1,851
	295,084			285,173
Cash held in demand accounts	24,877			25,758
Outstanding checks	(14,270		)	(23,046		)
Total cash, cash equivalents and marketable securities	$	305,691		$	287,885

Cash and cash equivalents	$	303,850		$	286,034
Marketable securities	1,841			1,851
Total cash, cash equivalents and marketable securities	$	305,691		$	287,885

- Definition

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.

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