EXHIBIT A

Transactions in Shares of the Issuer During the Last 60 Days

The following table sets forth all transactions in the Shares effected in the past sixty days by the Reporting Persons. Except as otherwise noted, all such transactions were effected in the open market through brokers and the price per share is net of commissions.

JANA

Trade Date	Shares Purchased (Sold)	Price Per Share ($)
04/27/2017	54,500	60.09
04/27/2017	154,928	59.76
04/27/2017	18,600	60.07
04/27/2017	75,000	59.72
05/19/2017	116,556	56.41
05/19/2017	13,575	56.38
05/22/2017	66,462	56.61
05/22/2017	70,945	56.6
05/23/2017	101,374	57.08
05/23/2017	77,683	57.15
05/24/2017	115,416	56.63
05/24/2017	99,824	56.58
05/25/2017	653,795	56.42
05/26/2017	58,540	56.7
05/26/2017	59,362	56.65
05/30/2017	110,812	56.17
05/30/2017	123,021	56.06
05/31/2017	182,038	55.21
05/31/2017	122,959	55.27
06/01/2017	292,933	55.9
06/01/2017	85,449	55.84
06/01/2017	15,000	56.01
06/02/2017	423,585	54.88
06/02/2017	15,535	54.51
06/02/2017	210,880	55.04
06/07/2017	42,000	53.63
06/07/2017	363,532	53.61
06/07/2017	144,468	53.72
06/08/2017	59,127	54.89
06/08/2017	75,000	54.92
06/08/2017	113,100	54.93
06/09/2017	122,229	56.06
06/09/2017	63,192	56.46
06/13/2017	226,100	57.14
06/13/2017	32,128	57.11
06/14/2017	109,064	57.38
06/14/2017	4,600	56.95

06/15/2017	165,178	57.67
06/15/2017	79,093	57.92
06/15/2017	13,800	57.93
06/16/2017	100,000	58.08
06/16/2017	49,293	58.54
06/19/2017	131,000	54.34
06/19/2017	122,645	54.38
06/23/2017	132,434	54.32
06/23/2017	50,000	55.54

06/26/2017	50,000	57.56
06/26/2017	55,000	57.93
06/26/2017	38,487	57.79
06/27/2017	212,759	58.41
06/28/2017	48,200	59.16
06/28/2017	199,000	59.11
06/29/2017	216,110	58.98
06/30/2017	100,000	59.05

Mr. J. Cohen

Trade Date	Amount Purchased (Sold)	Price Per Share ($)
06/15/2017	10,000	56.5
06/16/2017	10,000	53.75
06/16/2017	20,000	53.943
06/16/2017	10,000	58.604
06/19/2017	15,000	58.139
06/23/2017	5,000	58.774
06/26/2017	5,000	57.866

Mr. Herz

Trade Date	Amount Purchased (Sold)	Price Per Share ($)
06/15/2017	2,000	57.932
06/16/2017	2,000	58.2669
06/16/2017	1,000	58.836
06/19/2017	2,000	53.8567

Mr. E. Cohen

Trade Date	Amount Purchased (Sold)	Price Per Share ($)
06/16/2017	12,500	58.7456
06/16/2017	12,500	58.7504
06/19/2017	5,000	53.6179
06/19/2017	5,000	53.6133