News: PTB Ptb Group Announces Sale And Lease Back Of Its Head Office In Pinkenba, Brisbane, page-3

As long as the return on capital from the proceeds comfortably exceeds the cost of leasing the premises over the lease term, then it is the right decision.
No brainer, given current market circumstances and stability of their Brisbane cashflows.
Interesting that they emphasise the pay down of debt. My guess is that they're focusing on getting the balance sheet ready for a large-ish acquisition, partially or fully debt funded.