SEC Filings
| Filing |
Description |
Date Filed  |
Size |
|
| 5 |
mccausland peter |
May 14, 2012 |
29.5 KB |
|
| 3 |
mccausland bonnie f |
May 14, 2012 |
28.7 KB |
|
| 5 |
wolf ellen c |
May 11, 2012 |
24.0 KB |
|
| 8-K |
current report |
May 3, 2012 |
160.1 KB |
|
| 4 |
clancey, john p |
Apr 6, 2012 |
25.6 KB |
|
| 4 |
clancey, john p |
Apr 3, 2012 |
25.7 KB |
|
| 4 |
sneed, paula a |
Apr 3, 2012 |
25.7 KB |
|
| 11-K |
annual report of employee stock purchase |
Mar 30, 2012 |
53.9 KB |
|
| 11-K |
annual report of employee stock purchase |
Mar 30, 2012 |
49.7 KB |
|
| 4 |
lodge, terry l |
Mar 23, 2012 |
27.8 KB |
|
| 4 |
dougherty, robert a |
Feb 27, 2012 |
29.0 KB |
|
| 4 |
powers, b shaun |
Feb 27, 2012 |
26.9 KB |
|
| 4 |
hooper, max d |
Feb 23, 2012 |
27.8 KB |
|
| 4 |
stout, david m |
Feb 14, 2012 |
25.7 KB |
|
| SC 13G/A |
amended statement of beneficial ownership |
Feb 14, 2012 |
36.9 KB |
|
| SC 13G/A |
amended statement of beneficial ownership |
Feb 13, 2012 |
40.5 KB |
|
| SC 13G/A |
amended statement of beneficial ownership |
Feb 13, 2012 |
40.4 KB |
|
| 10-Q |
quarterly report |
Feb 8, 2012 |
534.7 KB |
|
| 4 |
thomas, lee m |
Feb 7, 2012 |
25.8 KB |
|
| 8-K |
current report |
Jan 26, 2012 |
120.7 KB |
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NYSE:ARG
$90.38
- 0.24
|
May 16, 2012
10:15 AM ET |
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