EXHIBIT 99.1
SIGNATURES OF REPORTING PERSONS

	After reasonable inquiry and to the best of our knowledge and belief, the
undersigned certify that the information set forth in this Form 4 is true,
complete and correct.

March 10, 2017


WARBURG PINCUS PRIVATE EQUITY X, L.P.
By: Warburg Pincus X, L.P., its general partner
By: Warburg Pincus X GP L.P., its general partner
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member


By: /s/ Robert B. Knauss

	Name: Robert B. Knauss

	Title:   Partner


WARBURG PINCUS X PARTNERS, L.P.
By: Warburg Pincus X, L.P., its general partner
By: Warburg Pincus X GP L.P., its general partner
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member


By: /s/ Robert B. Knauss

	Name: Robert B. Knauss

	Title:   Partner





WARBURG PINCUS X, L.P.
By: Warburg Pincus X GP L.P., its general partner
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member


By: /s/ Robert B. Knauss

	Name: Robert B. Knauss

	Title:   Partner


WARBURG PINCUS X GP L.P.
By: WPP GP LLC, its general partner
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member

By: /s/ Robert B. Knauss

	Name:
Robert B. Knauss

	Title:   Partner


WPP GP LLC
By: Warburg Pincus Partners, L.P., its managing member
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member


By: /s/ Robert B. Knauss

	Name: Robert B. Knauss

	Title:   Partner






WARBURG PINCUS PARTNERS, L.P.
By: Warburg Pincus Partners GP LLC, its general partner
By: Warburg Pincus & Co., its managing member


By: /s/ Robert B. Knauss

	Name: Robert B. Knauss

	Title:   Partner


WARBURG PINCUS PARTNERS GP LLC
By: Warburg Pincus & Co., its managing member


By: /s/ Robert B. Knauss

	Name: Robert B. Knauss

	Title:   Partner


WARBURG PINCUS & CO.


By: /s/ Robert B. Knauss

	Name: Robert B. Knauss

	Title:   Partner


CHARLES R. KAYE


By: /s/ Robert B. Knauss

	Name: Robert B. Knauss

	Title:
Attorney-in-Fact*


JOSEPH P. LANDY


By: /s/ Robert B. Knauss

	Name: Robert B. Knauss

	Title:
Attorney-in-Fact*


* The Power of Attorney given by each of Mr. Kaye and Mr. Landy was previously
filed with the U.S. Securities and Exchange Commission on July 12, 2016 as an
exhibit to a beneficial ownership report on Schedule 13D filed by Warburg Pincus
LLC with respect to WEX Inc. and is hereby incorporated by reference.