Segment Data (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Apr. 01, 2016
Sales revenue
Net service revenues	$ 201,312	$ 153,698
Operating income before corporate expenses	23,353	18,039
Operating income (loss) before noncontrolling interest	4,407	6,594
Corporate expenses	9,058	7,694
Deal transition and other	7,231	2,609
Operating income	7,064	7,736
Interest expense, net	(1,897)	(1,332)
Net loss - noncontrolling interests	760	(190)
Income before income taxes	4,407	6,594
Visiting Nurse
Sales revenue
Net service revenues	151,155	109,422
Operating income before corporate expenses	19,882	15,041
Interest expense, net	1,006	358
Other Home Based Care
Sales revenue
Net service revenues	45,598	39,884
Operating income before corporate expenses	3,814	3,671
Personal Care
Sales revenue
Interest expense, net	289	358
Healthcare Innovations
Sales revenue
Net service revenues	4,559	4,392
Operating income before corporate expenses	(343)	(673)
Interest expense, net	$ 193	$ 378
Medicaid and other government programs | Personal Care
Segment data
Segment revenues (as a percent)	86.00%