Investments in Available-for-Sale Securities (Tables)

3 Months Ended

Mar. 31, 2015

Available-for-sale Securities [Abstract]

Available-for-sale Securities

The Company's investments in available-for-sale marketable securities are as follows:

	March 31, 2015
										Balance Sheet
			Accumulated							Classification
			Gross Unrealized					Fair		Short-Term		Other
	Cost Basis		Gains		Losses			Value		Investments		Assets
	(In thousands)
Available-for-sale:
Corporate notes and bonds	$	252,673	$	2	$	(3,157	)	$	249,518	$	249,518	$	—
Equity securities	3,910		2,875		(2,830		)	3,955		—		3,955
Total Investments	$	256,583	$	2,877	$	(5,987	)	$	253,473	$	249,518	$	3,955

	December 31, 2014
										Balance Sheet
			Gross		Gross					Classification
			Unrealized		Unrealized			Fair		Short-Term		Other
	Cost Basis		Gains		Losses			Value		Investments		Assets
	(In thousands)
Available-for-sale:
Corporate notes and bonds	$	253,590	$	—	$	(4,636	)	$	248,954	$	248,954	$	—
Equity securities	3,910		4,125		(2,890		)	5,145		—		5,145
Total Investments	$	257,500	$	4,125	$	(7,526	)	$	254,099	$	248,954	$	5,145