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
2012-04-30	THOMAS, GARY L	Chief Operating Officer	普通株式	購入	11.656	$109.81
2012-04-30	WISNER, FRANK G	Director	普通株式	購入	343.294	$109.81
2012-04-30	PLAEGER, FREDERICK J. II	Senior VP & General Counsel	普通株式	購入	047	$109.81
2012-04-30	CRISP, CHARLES R	Director	普通株式	購入	103.974	$109.81
2012-04-20	PLAEGER, FREDERICK J. II	Senior VP & General Counsel	普通株式	購入	4.666	$103.03
2012-04-20	THOMAS, GARY L	Chief Operating Officer	普通株式	購入	27.718	$103.03
2012-04-05	THOMAS, GARY L	Chief Operating Officer	普通株式	購入	26.157	$109.18
2012-04-05	PLAEGER, FREDERICK J. II	Senior VP & General Counsel	普通株式	購入	4.403	$109.18
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	1,200	$110.01
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	7,000	$62.98
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	100	$110.04
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	100	$110.03
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	100	$110.03
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	3,900	$110.00
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	190	$109.99
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	900	$110.01
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	200	$110.02
2012-03-30	DRIGGERS, TIMOTHY K	VP & Chief Financial Officer	普通株式	購入	200	$110.02