POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS that the undersigned hereby makes, constitutes,
designates and appoints each of Eric Arneson and Ryan Loneman, signing singly,
as the undersigned's true and lawful attorney-in-fact to act for and on behalf
of the undersigned for and limited to the following purposes:

a.	To execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of Lindsay Corporation, a Delaware
corporation (the "Company"), Forms 3, 4 and 5 in accordance with Section 16(a)
of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the
rules thereunder;

b.	To do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any individual or group
filings under Section 16(a) of the Exchange Act and timely file such forms with
the United States Securities and Exchange Commission and any stock exchange or
similar authority; and

c.	To take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact shall lawfully do
or cause to be done by virtue of this Power of Attorney and the rights and
powers herein granted.  The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Exchange Act.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to make filings under Section 16(a) of the
Exchange Act with respect to the undersigned's holdings of the transactions in
securities issued by the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact and the Secretary of
the Company.

IN WITNESS WHEREOF the undersigned has caused this Power of Attorney to be
executed as of this 9th day of October, 2017.

						/s/ Brian L. Ketcham
						Brian L. Ketcham