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Accounts Receivable - Net and Revenue Recognition (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Jan. 01, 2017 | Oct. 01, 2017
Accounts Receivable - Net and Revenue Recognition |  |  |
Period for billing and collecting unbilled receivables | 12 months |  |
Period for earning majority of billings in excess of costs | 12 months |  |
Unbilled accounts receivable related to claims and requests for equitable adjustment on contracts | $ 61,000,000 |  | $ 59,000,000
Gains (losses) from claim settlement | 0 | $ 0 |
Billed accounts receivable related to U.S. federal government contracts | 65,000,000 |  | 45,400,000
U.S. federal government unbilled receivables | $ 116,800,000 |  | $ 109,700,000
Threshold percentage for disclosure of accounts receivable from a single client | 10.00% |  | 10.00%
Net unfavorable operating income adjustments |  | 4,000,000 |
Liabilities for anticipated losses | $ 4,500,000 |  | $ 8,100,000
Estimated cost to complete the related contracts | 4,700,000 |  |
CIG |  |  |
Accounts Receivable - Net and Revenue Recognition |  |  |
Net unfavorable operating income adjustments | $ 700,000 | 2,300,000 |
RCM |  |  |
Accounts Receivable - Net and Revenue Recognition |  |  |
Net unfavorable operating income adjustments |  | $ 1,700,000 |

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- Definition Represents the period within which the majority of billings in excess of costs on uncompleted contracts will be earned. + References No definition available. + Details
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- Definition The minimum percentage of accounts receivable from a single client that is used as a threshold for disclosure of a concentration of risk. + References No definition available. + Details
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- Definition The amount of billed receivables that are derived from government contracts. + References No definition available. + Details
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- Definition Represents the unbilled accounts receivable related to claims and requests for equitable adjustment on contracts. + References No definition available. + Details
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- Definition Represents the amount of remaining estimated costs to complete the contracts. + References No definition available. + Details
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- Definition Revenue Recognition Net Unfavorable Operating Income Adjustments + References No definition available. + Details
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- Definition Represents the period within which substantially all unbilled receivables are expected to be billed and collected. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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- Definition Unbilled amounts (net of unliquidated progress payments) of government contract receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 310 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=68054760&loc=d3e55376-109406 + Details
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- Definition Cumulative provision for contract losses not offset against related costs accumulated on the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57777-111642 + Details
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