9. Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2016

Fair value assets and liabilities measured on a recurring basis

At June 30, 2016 and December 31, 2015, the fair value measurements of our assets and liabilities that we measure on a recurring basis were as follows (in thousands):



	June 30, 2016
			Fair Value Measurements at Reporting Date Using
	Total Fair Value and Carrying Value on Our Balance Sheet		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	174	$	174	$	—	$	—
Marketable securities:
Foreign debt	710,779		—		710,779		—
Time deposits	40,000		40,000		—		—
Restricted investments	409,189		—		409,189		—
Derivative assets	4,433		—		4,433		—
Total assets	$	1,164,575	$	40,174	$	1,124,401	$	—
Liabilities:
Derivative liabilities	$	8,727	$	—	$	8,727	$	—



	December 31, 2015
			Fair Value Measurements at Reporting Date Using
	Total Fair Value and Carrying Value on Our Balance Sheet		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents:
Money market funds	$	330	$	330	$	—	$	—
Marketable securities:
Foreign debt	663,454		—		663,454		—
Time deposits	40,000		40,000		—		—
Restricted investments	326,114		—		326,114		—
Derivative assets	2,691		—		2,691		—
Total assets	$	1,032,589	$	40,330	$	992,259	$	—
Liabilities:
Derivative liabilities	$	30,570	$	—	$	30,570	$	—

Fair value of financial instruments

The carrying values and fair values of our financial and derivative instruments at June 30, 2016 and December 31, 2015 were as follows (in thousands):



	June 30, 2016				December 31, 2015
	Carrying Value		Fair Value		Carrying Value		Fair Value
Assets:
Marketable securities	$	750,779	$	750,779	$	703,454	$	703,454
Foreign exchange forward contract assets	4,433		4,433		2,691		2,691
Restricted investments	409,189		409,189		326,114		326,114
Notes receivable – noncurrent	7,782		7,921		12,648		18,382
Notes receivable, affiliates – noncurrent	22,254		25,162		17,887		19,932
Liabilities:
Long-term debt, including current maturities	$	232,614	$	238,867	$	288,350	$	294,449
Interest rate swap contract liabilities	—		—		16		16
Cross-currency swap contract liabilities	—		—		20,744		20,744
Foreign exchange forward contract liabilities	8,727		8,727		9,810		9,810