Fair Values of Financial and Nonfinancial Instruments (Tables)

9 Months Ended

Sep. 30, 2014

Fair Values of Financial and Nonfinancial Instruments

Fair value measurement methods and values for financial instruments measured on a recurring basis

								FAIR VALUE
(in thousands)		HIERARCHY		SEPTEMBER 30, 2014				DECEMBER 31, 2013
Marketable securities, available-for-sale
U.S. Treasury securities	Level 1		$		19,224		$		76,504
Obligations of U.S. government agencies	Level 1		21,014				17,068
Municipal debt securities	Level 2		14,225				32,976
Corporate debt securities	Level 2		132,080				157,879
Asset-backed securities	Level 2		17,527				20,489
Time deposits	Level 2		2				1,606
Short-term pooled investments	Level 1		10,016				6,633
Mortgage loans held-for-sale	Level 2		87,141				139,576
Mortgage interest rate lock commitments	Level 2		6,594				5,218
Forward-delivery contracts	Level 2		(550			)	2,261