operating_income = {{profit}}US$80.6 million (2006)<ref name="morningstar"/><br/> (3.3% [[operating margin]]<ref name="reuters">{{cite web|url=http://www.investor.reuters.com/business/BusCompanyOverview.aspx?ticker=ZLC&target=%2fbusiness%2fbuscompany%2fbuscompfake%2fbuscompoverview&cotype=1M |title=ZLC: Company Overview |accessdate=2006-12-08 |publisher=[[Reuters]] }}</ref>)| | operating_income = {{profit}}US$80.6 million (2006)<ref name="morningstar"/><br/> (3.3% [[operating margin]]<ref name="reuters">{{cite web|url=http://www.investor.reuters.com/business/BusCompanyOverview.aspx?ticker=ZLC&target=%2fbusiness%2fbuscompany%2fbuscompfake%2fbuscompoverview&cotype=1M |title=ZLC: Company Overview |accessdate=2006-12-08 |publisher=[[Reuters]] }}</ref>)| |