SPECIAL POWER OF ATTORNEY

THIS SPECIAL POWER OF ATTORNEY (this "POA") is executed by Douglas M. Leone
("Leone") as of February 9, 2017.

1. Leone hereby appoints each of Chris Cooper, Marie Klemchuk and Jung Yeon Son
(each acting independently and without any requirement of joint action) as
Leone's attorney-in-fact to execute and deliver, in Leone's name and on his
behalf, any form, instrument, agreement or other document reasonably expected to
be delivered to, or filed with, the U.S. Securities and Exchange Commission, but
only to the extent that, in each case, Leone has confirmed his approval of such
form, instrument, agreement or other document in writing.

2. This POA shall shall not expire, but shall be revocable on a prospective
basis, in whole or in part, upon notice by Leone to the applicable
attorney(ies)-in-fact.

Executed by Leone as of the date first above written:

/s/ Douglas M. Leone

Douglas M. Leone