2303432 - US SEC preview cannot be generated

When generating the US SEC instance with preview option

...we get the following error;

"An error occured during US Sec Preview. Check the plugin log file

No HTML files could be generated. Check the XBRL instance for issues"

In the logs we see this:

2016-03-25 09:14:50,618 [IOerror] us-gaap-2016-01-31.xsd: file error: [Errno 2] No such file or directory:
'c:\\re3\\arelle\\cache\\http\\xbrl.fasb.org\\us-gaap\\2016\\elts\\us-gaap-2016-01-31.xsd' Loading terminated. - lxk-20160331_pre.xml 78

2016-03-25 09:14:50,618 [IOerror] currency-2016-01-31.xsd: file error: [Errno 2] No such file or directory:
'c:\\re3\\arelle\\cache\\http\\xbrl.sec.gov\\currency\\2016\\currency-2016-01-31.xsd' Loading terminated. - lxk-20160331_pre.xml 78

Disclosure Management 10,1

[IOerror]  file error No HTML files could be generated. , KBA , dm , EPM-DSM-SEC-IFR , IFRS , Problem