| Amount of contractual obligation to be paid in second and third fiscal years following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Contractual Obligation, to be Paid, Year Two and Three | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Contractual Obligation, to be Paid, Year Two and Three, Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |