Segment Data (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jul. 03, 2015 USD ($) segment	Jun. 30, 2014 USD ($)
Segment Data
Number of divisions | segment			2
Number of reportable segments | segment			2
Segment data
Net service revenues	$ 127,366	$ 125,192	$ 255,765	$ 245,532
Operating income before corporate expenses	16,086	15,946	31,385	27,333
Operating loss before noncontrolling interest	8,188	6,679	15,199	8,650
Corporate expenses	6,898	7,268	13,900	12,966
Deal transition and other	206	1,243	614	4,357
Operating income	8,580	7,008	15,952	9,327
Interest expense, net	(392)	(329)	(753)	(677)
Income tax expense	(3,393)	(2,618)	(6,380)	(3,435)
Net income from continuing operations	4,795	4,061	8,819	5,215
Home Health Care division
Segment data
Net service revenues	127,236	124,936	255,532	244,969
Visiting Nurse | Reportable segments
Segment data
Net service revenues	97,748	96,776	197,283	189,949
Operating income before corporate expenses	12,362	12,445	24,786	21,193
Personal Care | Reportable segments
Segment data
Net service revenues	29,488	28,160	58,249	55,020
Operating income before corporate expenses	3,724	3,501	6,599	6,140
Healthcare Innovations | Reportable segments
Segment data
Net service revenues	130	256	233	563
Operating loss before noncontrolling interest	$ (402)	$ (427)	$ (919)	$ (683)
Medicare program | Visiting Nurse
Segment data
Segment revenues (as a percent)	96.00%		96.00%
Medicaid and other government programs | Personal Care
Segment data
Segment revenues (as a percent)	85.00%		85.00%