Fair Value (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

Assets And Liabilities Measured At Fair Value

The following table presents the Company’s assets and liabilities that are measured at fair value and the related hierarchy levels as of December 31, 2013:

			Fair Value Measurements at Reporting Date Using
	December 31, 2013		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Mortgage-backed securities	$	839	$	—	$	839	$	—
Asset-backed securities	1,391		—		1,391		—
Municipal bonds	519		—		519		—
Equity securities	13,214		13,214		—		—
Total available-for-sale securities	$	15,963	$	13,214	$	2,749	$	—
Executive deferred compensation plan trust (a)	$	4,339	$	4,339	$	—	$	—
Liabilities:
Fuel price derivatives – unleaded fuel (b)	$	5,216	$	—	$	5,216	$	—
Fuel price derivatives – diesel (b)	2,142		—		—		2,142
Total fuel price derivatives	$	7,358	$	—	$	5,216	$	2,142

^(a)  The fair value of these instruments is recorded in other assets.

^(b)  The balance sheet presentation combines unleaded fuel and diesel fuel positions.

The following table presents the Company’s assets and liabilities that are measured at fair value and the related hierarchy levels as of March 31, 2014:

			Fair Value Measurements at Reporting Date Using
	March 31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Mortgage-backed securities	$	840	$	—	$	840	$	—
Asset-backed securities	1,337		—		1,337		—
Municipal bonds	522		—		522		—
Equity securities	13,359		13,359		—		—
Total available-for-sale securities	$	16,058	$	13,359	$	2,699	$	—
Executive deferred compensation plan trust (a)	$	5,315	$	5,315	$	—	$	—
Liabilities:
Fuel price derivatives – unleaded fuel (b)	$	3,912	$	—	$	3,912	$	—
Fuel price derivatives – diesel (b)	$	623	—		—		623
Total fuel price derivatives	$	4,535	—		3,912		623

^(a)  The fair value of these instruments is recorded in other assets.

^(b)  The balance sheet presentation combines unleaded fuel and diesel fuel positions.

Reconciliation Of Beginning And Ending Balances For Assets And Liabilities Measured At Fair Value On Recurring Basis Using Significant Unobservable Inputs

The following table presents a reconciliation of the beginning and ending balances for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the three months ended:

	March 31, 2014			March 31, 2013
	Fuel Price Derivatives – Diesel			Contingent Consideration			Fuel Price Derivatives – Diesel
Beginning balance	$	(2,142	)	$	(313	)	$	(107	)
Total gains and (losses) – realized/unrealized
Included in earnings (a)	1,519			3			(822		)
Included in other comprehensive income	—			—			—
Purchases, issuances and settlements	—			—			—
Transfers (in)/out of Level 3	—			—			—
Ending balance	$	(623	)	$	(310	)	$	(929	)

^(a)Gains and losses (realized and unrealized) associated with fuel price derivatives, included in earnings for the three months ended March 31, 2014 and 2013, are reported in net realized and unrealized losses on fuel price derivatives on the unaudited condensed consolidated statements of income. Gains associated with contingent consideration, included in earnings for the three months endedMarch 31, 2013, are reported in other expenses and loss of foreign currency transactions on the unaudited condensed consolidated statements of income.

Quantitative Information About Level Three Fair Value Measurements

The significant unobservable inputs used in the fair value measurement of the Company’s diesel fuel price derivative instruments designated as Level 3 as of March 31, 2014, are as follows:

	Fair Value at March 31, 2014			Valuation Technique	Unobservable Input	Range $ per gallon
Fuel price derivatives – diesel	$	(623	)	Option model	Future retail price of diesel fuel after March 31, 2014	$3.71 – 3.87