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
2008-04-21	PLISKA, BERNARD F.	Vice President-Corp Controller	普通株式	売却	10,000	$68.25
2008-04-21	PLISKA, BERNARD F.	Vice President-Corp Controller	普通株式	購入	10,000	$26.12
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	600	$67.96
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	7,000	$67.95
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	1,200	$67.94
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	3,600	$67.87
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	6,000	$67.86
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	2,800	$67.85
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	700	$67.84
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	100	$67.83
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	400	$67.82
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	800	$68.26
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	5,400	$68.25
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	300	$68.24
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	2,800	$68.02
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	2,500	$68.01
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	17,900	$68.00
2008-04-21	KNIGHT, PHILIP H	Director, 10% Owner	普通株式	売却	100	$67.99