自社株取引日	役員・従業員名	役員・従業員の役職	株式の種類	売却／購入	株数	株価
2007-02-28	ODONNELL, LAWRENCE III	President and COO	普通株式	売却	8,879	$33.97
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	1,000	$34.16
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	3,300	$34.17
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	2,500	$34.18
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	600	$34.19
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	3,000	$34.10
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	5,300	$34.15
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	1,400	$34.13
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	1,500	$34.11
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	900	$34.12
2007-02-23	HOPKINS, DAVID R	Senior Vice President	普通株式	売却	500	$34.14
2007-02-22	AARDSMA, DAVID A	Sr. VP, Sales and Marketing	普通株式	購入	2.7714	$0.00
2007-02-08	AARDSMA, DAVID A	Sr. VP, Sales and Marketing	普通株式	購入	2.6596	$0.00
2007-01-28	ODONNELL, LAWRENCE III	President and COO	普通株式	売却	11,769	$37.28
2007-01-27	CADDELL, LYNN M	Senior Vice President	普通株式	売却	1,001	$37.28
2007-01-27	TREVATHAN, JAMES E JR	Senior Vice President	普通株式	売却	1,703	$37.28
2007-01-27	HARRIS, JEFF M	Senior Vice President	普通株式	売却	534	$37.28
2007-01-27	RICE, CHERIE C	Vice President and Treasurer	普通株式	売却	679	$37.28