import re
 
s="\n\nThe following table provides the details of intangible assets\nacquired, by major class and weighted average useful life:\n\n \n\n(USS in millions) USEFUL LIFE\nCustomer relationships 15 years $265\nIntellectual property 10 years 120\nTrade names 15 years 51\nFavorable leases 38 years 26\nOther various 2\nTotal intangible assets $464\n\nThe fair value in the opening balance sheet of the 30%\nredeemable noncontrolling interest in Loders was estimated to\nbe $450 million."
 
regex = r"\r?\n\r?\n(.*(?:\r?\n(?!\r?\n).*)*)\r?\n\r?\n"
 
print(re.findall(regex, s))

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