Exhibit 99.4

TRADING DATA

Name	Trade Date	Buy/Sell	No. of Shares / Quantity	Unit Proceeds	Security
Sachem Head LP	June 13, 2016	Sell	36,874	$56.56	Common Stock
Sachem Head LP	June 13, 2016	Sell	43,945	$56.57	Common Stock
Sachem Head LP	June 14, 2016	Sell	15,154	$55.89	Common Stock
Sachem Head LP	June 14, 2016	Sell	65,665	$55.92	Common Stock
Sachem Head LP	June 15, 2016	Sell	47,144	$55.92	Common Stock
Sachem Head LP	June 15, 2016	Sell	18,521	$55.98	Common Stock
Sachem Head LP	June 16, 2016	Sell	151,535	$55.54	Common Stock
Sachem Head LP	June 17, 2016	Sell	50,512	$55.00	Common Stock
Sachem Head LP	June 17, 2016	Sell	50,512	$55.00	Common Stock
Sachem Head LP	June 21, 2016	Sell	26,939	$56.12	Common Stock
Sachem Head LP	June 21, 2016	Sell	6,735	$56.21	Common Stock
Sachem Head LP	June 22, 2016	Sell	66,378	$55.87	Common Stock
Sachem Head LP	June 22, 2016	Sell	8,789	$56.24	Common Stock
Name	Trade Date	Buy/Sell	No. of Shares / Quantity	Unit Proceeds	Security
Sachem Head Master LP	June 13, 2016	Sell	42,698	$56.56	Common Stock
Sachem Head Master LP	June 13, 2016	Sell	50,887	$56.57	Common Stock
Sachem Head Master LP	June 14, 2016	Sell	17,547	$55.89	Common Stock
Sachem Head Master LP	June 14, 2016	Sell	76,038	$55.92	Common Stock
Sachem Head Master LP	June 15, 2016	Sell	54,592	$55.92	Common Stock
Sachem Head Master LP	June 15, 2016	Sell	21,447	$55.98	Common Stock
Sachem Head Master LP	June 16, 2016	Sell	175,473	$55.54	Common Stock
Sachem Head Master LP	June 17, 2016	Sell	58,490	$55.00	Common Stock
Sachem Head Master LP	June 17, 2016	Sell	58,491	$55.00	Common Stock
Sachem Head Master LP	June 21, 2016	Sell	31,195	$56.12	Common Stock
Sachem Head Master LP	June 21, 2016	Sell	7,799	$56.21	Common Stock
Sachem Head Master LP	June 22, 2016	Sell	76,862	$55.87	Common Stock
Sachem Head Master LP	June 22, 2016	Sell	10,177	$56.24	Common Stock
Name	Trade Date	Buy/Sell	No. of Shares / Quantity	Unit Proceeds	Security
SH Sagamore Master LP	June 13, 2016	Sell	29,928	$56.56	Common Stock
SH Sagamore Master LP	June 13, 2016	Sell	35,668	$56.57	Common Stock
SH Sagamore Master LP	June 14, 2016	Sell	12,299	$55.89	Common Stock
SH Sagamore Master LP	June 14, 2016	Sell	53,297	$55.92	Common Stock
SH Sagamore Master LP	June 15, 2016	Sell	38,264	$55.92	Common Stock
SH Sagamore Master LP	June 15, 2016	Sell	15,032	$55.98	Common Stock
SH Sagamore Master LP	June 16, 2016	Sell	122,992	$55.54	Common Stock
SH Sagamore Master LP	June 17, 2016	Sell	40,998	$55.00	Common Stock
SH Sagamore Master LP	June 17, 2016	Sell	40,997	$55.00	Common Stock
SH Sagamore Master LP	June 21, 2016	Sell	21,866	$56.12	Common Stock
SH Sagamore Master LP	June 21, 2016	Sell	5,466	$56.21	Common Stock
SH Sagamore Master LP	June 22, 2016	Sell	53,875	$55.87	Common Stock
SH Sagamore Master LP	June 22, 2016	Sell	7,134	$56.24	Common Stock