You should read the table below in conjunction with "Management's Discussion and Analysis of Financial Condition and Results of Operations" and our Consolidated Financial Statements and related notes included in this Annual Report (amounts in thousands, except per share data).
As of and for the Years ended December 31,
2013(1)
2012(2)
2011(3)
2010(4)
2009(5)
Operations data:
Net sales
$
3,238,128
$
2,993,489
$
2,797,089
$
2,386,112
$
2,049,668
Gross profit
1,882,928
1,671,717
1,515,564
1,275,126
1,043,138
Income from operations
842,361
757,587
660,539
514,294
395,396
Net earnings
538,293
483,360
427,247
322,580
239,481
Per share data:
Basic earnings per share
$
5.43
$
4.95
$
4.45
$
3.42
$
2.64
Diluted earnings per share
5.37
4.86
4.34
3.34
2.58
Dividends declared
0.6950
0.5775
0.4675
0.3950
0.3425
Balance sheet data:
Working capital (6)
$
730,246
$
159,332
$
561,277
$
458,446
$
392,734
Total assets
8,184,981
7,071,104
5,319,417
5,069,524
4,327,736
Long-term debt, less current portion
2,453,836
1,503,107
1,015,110
1,247,703
1,040,962
Stockholders' equity
4,213,050
3,687,726
3,195,096
2,750,907
2,421,490
(1)
Includes results from the acquisitions of Managed Health Care Associates, Inc. from May 1, 2013 and Advanced Sensors, Ltd. from October 4, 2013.
(2)
Includes results from the acquisition of Sunquest Information Systems, Inc. from August 22, 2012.
(3)
Includes results from the acquisitions of NDI Holding Corp. from June 3, 2011, United Controls Group, Inc. from September 26, 2011 and Trinity Integrated Systems Ltd. from December 1, 2011.
(4)
Includes results from the acquisitions of Heartscape, Inc. from February 22, 2010 and iTradeNetwork, Inc. from July 27, 2010.
(5)
Includes results from the acquisitions of United Toll Systems, LLC from October 30, 2009 and Verathon, Inc. from December 3, 2009.
(6)
At December 31, 2012, there were $500 million of senior notes outstanding that matured on August 15, 2013, thus requiring a classification as short-term debt, included in working capital.