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Represents the amount of corporate expenses incurred during the reporting period.

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Represents the percentage of net service revenue to total net revenue from rendering of services as of year end for a reportable segment.

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The net amount of nonoperating interest income (expense).

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net result for the period of deducting operating expenses from operating revenues.

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Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

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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.

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Segment Data (Details) $ in Thousands	3 Months Ended		6 Months Ended
Segment Data (Details) $ in Thousands	Jul. 01, 2016 USD ($)	Jul. 01, 2015 USD ($)	Jul. 01, 2016 USD ($) segment	Jul. 03, 2015 USD ($)	Jul. 01, 2015 USD ($)
Segment data
Number of divisions \| segment			2
Number of reportable segments \| segment			2
Sales revenue
Net service revenues	$ 155,996	$ 127,366	$ 309,694	$ 255,765
Operating income before corporate expenses	18,318	16,086	37,019		$ 31,396
Operating income (loss) before noncontrolling interest	7,894	8,175	14,298	15,192
Corporate expenses	6,951	6,849	14,634		13,771
Deal transition and other	2,589	203	5,198		609
Operating income	9,498	8,632	17,234	16,097	16,097
Interest expense, net	(1,604)	(457)	(2,936)	(905)	(905)
Income tax expense	(3,250)	(3,393)	(5,927)	$ (6,381)	(6,381)
Net income from continuing operations	4,644	4,782	8,371		8,811
Home Health Care division
Sales revenue
Net service revenues	150,352	127,236	299,658		255,532
Visiting Nurse
Sales revenue
Interest expense, net	440		798
Visiting Nurse \| Reportable segments
Sales revenue
Net service revenues	110,658	97,748	220,271		197,283
Operating income before corporate expenses	15,310	12,482	30,287		24,883
Personal Care
Sales revenue
Interest expense, net	440		798
Personal Care \| Reportable segments
Sales revenue
Net service revenues	39,694	29,488	79,387		58,249
Operating income before corporate expenses	3,008	3,604	6,732		6,513
Healthcare Innovations
Sales revenue
Interest expense, net	333		711
Healthcare Innovations \| Reportable segments
Sales revenue
Net service revenues	5,644	130	10,036		233
Operating income before corporate expenses	$ 720	$ (402)	$ 47		$ (919)
Medicare program \| Visiting Nurse
Segment data
Segment revenues (as a percent)	94.00%		94.00%
Medicaid and other government programs \| Personal Care
Segment data
Segment revenues (as a percent)	81.00%		81.00%