4.Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following:

(in thousands)	October 1, 2017		January 1, 2017
Prepayment of funds for October 2017 Expansion Transactions	$	56,498	$	-
Prepaid repair parts		30,346		20,338
Prepayments for sponsorships		9,388		1,879
Prepaid software		6,845		5,331
Current portion of income taxes		6,136		21,227
Other prepaid expenses and other current assets		20,461		15,059
Total prepaid expenses and other current assets	$	129,674	$	63,834

There was $1.6 million of prepaid expenses and other current assets related to territory exchanges and acquisitions that closed on October 2, 2017, which was classified as held for sale as of October 1, 2017. Refer to Note 24 for additional information.

The growth in the prepaid expenses and other current assets balance at October 1, 2017, as compared to January 1, 2017, is primarily a result of a $56.5 million payment during the third quarter of 2017 toward the purchase price of the October 2017 Expansion Transactions (as defined in Note 24), which closed subsequent to the end of the third quarter of 2017.