. 9 . leases although sysco normally purchases assets , it has obligations under capital and operating leases for certain distribution facilities , vehicles and computers . total rental expense under operating leases was $ 100690000 , $ 92710000 , and $ 86842000 in fiscal 2006 , 2005 and 2004 , respectively . contingent rentals , subleases and assets and obligations under capital leases are not significant