Investments (Tables)

12 Months Ended

Dec. 31, 2015

Investments [Abstract]

Summary of Investments

Investments primarily comprise strategic investments and deferred compensation investments. Investments consist of the following (in thousands):

	December 31, 2015		December 31, 2014
Strategic investments:
Investments accounted for under the equity method	$	86,853	$	86,328
Investments held at fair value	1,814		4,435
Common stock or equivalent of companies representing less than 20% equity ownership held at adjusted cost	8,746		8,949
Total Strategic investments	97,413		99,712
Other investments	1,530		1,014
Total Investments	$	98,943	$	100,726