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Fair Value Measurements (Tables)
 9 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
Schedule Of Fair Value Of Assets
As of September 30, 2017 and December 31, 2016, the Company had the following assets measured at fair value on a recurring basis:
 
Fair Value Measurements at
Reporting Date Using
 
Total
 
Level 1
 
Level 2
 
Level 3
Assets
(in thousands)
As of September 30, 2017
 
 
 
 
 
 
 
Money market funds, included in cash and cash equivalents
$
50,305

 
$
—

 
$
50,305

 
$
—

Mutual funds(1)
19,731

 
19,731

 
—

 
—

Money market funds(1)
1,649

 
—

 
1,649

 
—

 
$
71,685

 
$
19,731

 
$
51,954

 
$
—

As of December 31, 2016
 
 
 
 
 
 
 
Money market funds, included in cash and cash equivalents
$
50,085

 
$
—

 
$
50,085

 
$
—

Mutual funds(1)
17,468

 
17,468

 
—

 
—

Money market funds(1)
1,676

 
—

 
1,676

 
—

 
$
69,229

 
$
17,468

 
$
51,761

 
$
—

________________________ 
(1)
Included in Investments, employee benefit plans at fair value and other current assets on the consolidated balance sheets.