Business and summary of significant accounting policies - Cash, Goodwill and Long-lived Assets (Details) - USD ($) |
12 Months Ended | |||
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Jul. 01, 2016 |
Jul. 01, 2014 |
Sep. 30, 2016 |
Sep. 30, 2015 |
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| Property and Equipment | ||||
| Restricted cash | $ 14,100,000 | $ 13,400,000 | ||
| Impairment of goodwill | $ 0 | $ 0 | 0 | $ 0 |
| Impairment of long-lived assets held-for-use | $ 0 | |||
| Buildings | Maximum | ||||
| Property and Equipment | ||||
| Estimated useful lives | 39 years | |||
| Office furniture and equipment. | Maximum | ||||
| Property and Equipment | ||||
| Estimated useful lives | 7 years | |||
| Software development costs. | Minimum | ||||
| Property and Equipment | ||||
| Estimated useful lives | 3 years | |||
| Software development costs. | Maximum | ||||
| Property and Equipment | ||||
| Estimated useful lives | 8 years | |||
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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