Our unaudited results of operations for each of the quarters in the years ended December 31, 2012 and 2011 are summarized below (in thousands, except per share data).



2012	March 31		June 30		September 30		December 31⁽¹⁾
Total revenues:
Transportation	$	2,176,797	$	2,476,805	$	2,445,883	$	2,585,930
Sourcing	359,730		462,597		418,377		379,479
Payment Services	15,587		16,312		16,149		5,467
Total revenues	2,552,114		2,955,714		2,880,409		2,970,876
Costs and expenses:
Purchased transportation and related services	1,809,581		2,107,799		2,063,109		2,176,789
Purchased products sourced for resale	327,787		422,392		384,630		348,936
Purchased payment services	—		—		—		519
Personnel expenses	183,438		177,184		179,342		226,042
Other selling, general, and administrative expenses	61,763		63,425		66,071		84,986
Total costs and expenses	2,382,569		2,770,800		2,693,152		2,837,272
Income from operations	169,545		184,914		187,257		133,604
Net income	$	106,500	$	114,582	$	116,330	$	256,392
Basic net income per share	$	0.65	$	0.71	$	0.72	$	1.59
Diluted net income per share	$	0.65	$	0.71	$	0.72	$	1.58
Basic weighted average shares outstanding	162,693		161,887		160,782		160,880
Dilutive effect of outstanding stock awards	330		313		221		919
Diluted weighted average shares outstanding	163,023		162,200		161,003		161,799
Market price range of common stock:
High	$	71.76	$	67.31	$	61.97	$	64.14
Low	$	62.84	$	55.35	$	50.81	$	57.16

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(1)	The quarter ended December 31, 2012 is not comparable to the previous periods shown in this footnote due to certain significant charges or credits related to our recent acquisitions and divestitures.



2011	March 31		June 30		September 30		December 31
Total revenues:
Transportation	$	1,991,022	$	2,269,036	$	2,280,208	$	2,200,258
Sourcing	360,028		423,536		399,220		352,744
Payment Services	14,422		15,090		15,500		15,282
Total revenues	2,365,472		2,707,662		2,694,928		2,568,284
Costs and expenses:
Purchased transportation and related services	1,648,102		1,901,189		1,905,731		1,841,586
Purchased products sourced for resale	327,029		388,607		366,131		325,313
Personnel expenses	175,109		178,945		178,117		164,062
Other selling, general, and administrative expenses	58,517		58,826		60,984		65,368
Total costs and expenses	2,208,757		2,527,567		2,510,963		2,396,329
Income from operations	156,715		180,095		183,965		171,955
Net income	$	97,028	$	111,023	$	114,347	$	109,214
Basic net income per share	$	0.59	$	0.67	$	0.70	$	0.67
Diluted net income per share	$	0.59	$	0.67	$	0.70	$	0.67
Basic weighted average shares outstanding	165,124		164,607		163,948		162,919
Dilutive effect of outstanding stock awards	640		587		523		906
Diluted weighted average shares outstanding	165,764		165,194		164,471		163,825
Market price range of common stock:
High	$	82.05	$	81.53	$	82.61	$	76.76
Low	$	70.32	$	73.30	$	62.30	$	63.21