Marketable Investment Securities (Tables)

12 Months Ended

Jun. 30, 2014

Schedule of Fair Value for Available-for-Sale Securities by Major Security Type and Class of Security

The amortized cost, gross unrealized holding gains, gross unrealized holding losses, and fair value for available-for-sale securities by major security type and class of security at June 30, 2014 and 2013 were as follows:


(In thousands)	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses			Estimated fair value
At June 30, 2014:
Cash and cash equivalents:
Cash	$	45,181	$	—	$	—		$	45,181
Cash equivalents		19,639		1		—			19,640

Total cash and cash equivalents		64,820		1		—			64,821

Available-for-sale:
Corporate bonds and notes		44,449		36		(11	)		44,474
Municipal bonds		137,821		334		(3	)		138,152
Federal agency issues		23,134		12		(7	)		23,139

Total	$	270,224	$	383	$	(21	)	$	270,586


(In thousands)	Amortized cost		Gross unrealized holding gains		Gross unrealized holding losses			Estimated fair value
At June 30, 2013:
Cash and cash equivalents:
Cash	$	40,412	$	—	$	—		$	40,412
Cash equivalents		63,653		8		—			63,661

Total cash and cash equivalents		104,065		8		—			104,073

Available-for-sale:
Corporate bonds and notes		71,626		13		(15	)		71,624
Municipal bonds		251,513		109		(537	)		251,085
Federal agency issues		104,293		24		(35	)		104,282

Total	$	531,497	$	154	$	(587	)	$	531,064

Schedule of Maturities of Debt Securities Classified as Cash Equivalents and Available-For-Sale

Cash, cash equivalents, and maturities of debt securities classified as available-for-sale are as follows at June 30, 2014:


(In thousands)	Amortized cost		Estimated fair value
Cash	$	45,181	$	45,181
Cash equivalents		19,639		19,640
Available-for-sale:
Due within one year		121,505		121,641
Due after one year through five years		83,899		84,124
Due after five years		—		—

Total	$	270,224	$	270,586

Schedule of Debt Securities Available-For-Sale in Gross Unrealized Loss Position

Debt securities available-for-sale in a gross unrealized loss position as of June 30, 2014 and 2013 are summarized as follows:


	Less than 12 months					More than 12 months				Total
(In thousands)	Fair value		Unrealized losses			Fair value		Unrealized losses		Fair value		Unrealized losses
At June 30, 2014:
Debt securities:
Corporate bonds and notes		15,961		(11	)		—		—		15,961		(11	)
Municipal bonds		8,651		(3	)		—		—		8,651		(3	)
Federal agency issues		4,993		(7	)		—		—		4,993		(7	)

	$	29,605	$	(21	)	$	—	$	—	$	29,605	$	(21	)


	Less than 12 months					More than 12 months				Total
(In thousands)	Fair value		Unrealized losses			Fair value		Unrealized losses		Fair value		Unrealized losses
At June 30, 2013:
Debt securities:
Corporate bonds and notes		30,309		(15	)		—		—		30,309		(15	)
Municipal bonds		93,992		(538	)		—		—		93,992		(538	)
Federal agency issues		45,528		(34	)		—		—		45,528		(34	)

	$	169,829	$	(587	)	$	—	$	—	$	169,829	$	(587	)