Fair Value Measurements and Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

	March 31, 2014
	Level 1		Level 2			Level 3		Total
Assets:
Investment securities
Money market funds / commercial paper	$	344,007	$	192,136		$	—	$	536,143
Equity securities	—		26,685			—		26,685
Commingled fixed income securities	—		24,903			—		24,903
Debt securities - U.S. and foreign governments, agencies and municipalities	132,246		18,250			—		150,496
Debt securities - corporate	—		46,293			—		46,293
Mortgage-backed / asset-backed securities	—		141,267			—		141,267
Derivatives
Foreign exchange contracts	—		921			—		921
Total assets	$	476,253	$	450,455		$	—	$	926,708
Liabilities:
Derivatives
Foreign exchange contracts	$	—	$	(1,940	)	$	—	$	(1,940	)
Total liabilities	$	—	$	(1,940	)	$	—	$	(1,940	)

	December 31, 2013
	Level 1		Level 2			Level 3		Total
Assets:
Investment securities
Money market funds / commercial paper	$	403,706	$	224,440		$	—	$	628,146
Equity securities	—		26,536			—		26,536
Commingled fixed income securities	—		24,695			—		24,695
Debt securities - U.S. and foreign governments, agencies and municipalities	122,783		17,653			—		140,436
Debt securities - corporate	—		38,264			—		38,264
Mortgage-backed / asset-backed securities	—		164,598			—		164,598
Derivatives
Foreign exchange contracts	—		1,358			—		1,358
Total assets	$	526,489	$	497,544		$	—	$	1,024,033
Liabilities:
Investment securities
Mortgage-backed securities	$	—	$	(4,445	)	$	—	$	(4,445	)
Derivatives
Foreign exchange contracts	—		(3,009		)	—		(3,009		)
Total liabilities	$	—	$	(7,454	)	$	—	$	(7,454	)

Schedule of Available-for-sale Securities Reconciliation

Available-for-sale securities at March 31, 2014 and December 31, 2013 consisted of the following:

	March 31, 2014
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Estimated fair value
Debt securities - U.S. and foreign governments, agencies and municipalities	$	129,856	$	1,422	$	(1,797	)	$	129,481
Debt securities - corporate	45,410		1,198		(314		)	46,294
Mortgage-backed / asset-backed securities	141,482		1,754		(1,969		)	141,267
Total	$	316,748	$	4,374	$	(4,080	)	$	317,042

	December 31, 2013
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Estimated fair value
Debt securities - U.S. and foreign governments, agencies and municipalities	$	121,803	$	999	$	(3,372	)	$	119,430
Debt securities - corporate	37,901		935		(572		)	38,264
Mortgage-backed / asset-backed securities	165,664		1,570		(2,636		)	164,598
Total	$	325,368	$	3,504	$	(6,580	)	$	322,292

Available-for-sale Securities

Scheduled maturities of investment securities at March 31, 2014 were as follows:

	Amortized cost		Estimated fair value
Within 1 year	$	26,473	$	26,539
After 1 year through 5 years	58,545		59,152
After 5 years through 10 years	87,268		87,343
After 10 years	144,462		144,008
Total	$	316,748	$	317,042

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

Designation of Derivatives	Balance Sheet Location	March 31, 2014			December 31, 2013
Derivatives designated as hedging instruments	Other current assets and prepayments:
	Foreign exchange contracts	$	408		$	546
	Accounts payable and accrued liabilities:
	Foreign exchange contracts	(284		)	(526		)
Derivatives not designated as hedging instruments	Other current assets and prepayments:
	Foreign exchange contracts	513			812
	Accounts payable and accrued liabilities:
	Foreign exchange contracts	(1,656		)	(2,483		)
	Total derivative assets	$	921		$	1,358
	Total derivative liabilities	(1,940		)	(3,009		)
	Total net derivative liabilities	$	(1,019	)	$	(1,651	)

Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location

		Three Months Ended March 31,
		Derivative Gain Recognized in Earnings				Hedged Item Expense Recognized in Earnings
Derivative Instrument	Location of Gain (Loss)	2014		2013		2014		2013
Interest rate swaps	Interest expense	$	—	$	1,993	$	—	$	(5,484	)

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location

	Three Months Ended March 31,
	Derivative Gain (Loss) Recognized in AOCI (Effective Portion)					Location of Gain (Loss) (Effective Portion)	Gain (Loss) Reclassified from AOCI to Earnings (Effective Portion)
Derivative Instrument	2014			2013			2014			2013
Foreign exchange contracts	$	(69	)	$	630	Revenue	$	(234	)	$	(382	)
						Cost of sales	199			126
							$	(35	)	$	(256	)

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location

		Three Months Ended March 31,
		Derivative Gain (Loss) Recognized in Earnings
Derivatives Instrument	Location of Derivative Gain (Loss)	2014			2013
Foreign exchange contracts	Selling, general and administrative expense	$	(682	)	$	(4,351	)

Fair Value, by Balance Sheet Grouping

	March 31, 2014		December 31, 2013
Carrying value	$	3,341,569	$	3,346,295
Fair value	$	3,537,878	$	3,539,022