Revenue

6 Months Ended

Jun. 30, 2019

The following tables present our revenues disaggregated by reportable business segment and geography as they best depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors.

Revenues by business segment were as follows:



	Three Months Ended				Six Months Ended
	June 30, 2019		June 30, 2018		June 30, 2019		June 30, 2018
	(Dollars in thousands)
Metal containers	$	575,618	$	524,863	$	1,082,680	$	1,010,818
Closures	363,344		378,762		719,543		749,108
Plastics	154,201		155,478		318,071		311,459
	$	1,093,163	$	1,059,103	$	2,120,294	$	2,071,385

Revenues by geography were as follows:



	Three Months Ended				Six Months Ended
	June 30, 2019		June 30, 2018		June 30, 2019		June 30, 2018
	(Dollars in thousands)
North America	$	858,565	$	815,337	$	1,669,332	$	1,595,127
Europe and other	234,598		243,766		450,962		476,258
	$	1,093,163	$	1,059,103	$	2,120,294	$	2,071,385

Our contracts generally include standard commercial payment terms generally acceptable in each region. We do not provide financing with extended payment terms beyond generally standard commercial payment terms for the applicable industry. We have no significant obligations for refunds, warranties or similar obligations.

Trade accounts receivable, net are shown separately on our Condensed Consolidated Balance Sheet. Contract assets are the result of the timing of revenue recognition, billings and cash collections. Our contract assets primarily consist of unbilled accounts receivable related to over time revenue recognition and were $77.2 million, $76.7 million, and $72.5 million as of June 30, 2019 and 2018 and December 31, 2018, respectively. Unbilled receivables are included in trade accounts receivable, net on our Condensed Consolidated Balance Sheet.