The phrase "significant outlay" refers to a large amount of money or resources that need to be spent or invested for a particular purpose. Full definition
A significant outlay, for all but the smallest campaigns, will go to the CPAs who must sign off on the financial statements. (inc.com)
And if as the Mail says United are preparing to invest another significant outlay this summer — as much as # 150 million according to the paper, the revenue accrued from the Champions League will surely go some way to help. (caughtoffside.com)
Perhaps as a second striker in a 442, but I'm a bit doubtful he has the «snap» which would warrant a significant outlay on him. (uptheclarets.com)