Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 01, 2016	Jan. 01, 2016	Jan. 01, 2016
Activity related to goodwill and other intangible assets
Impairment loss on goodwill and other intangible assets			$ 0
Goodwill
Balance at the beginning of the period	$ 277,061	$ 192,523
Additions	38,299	84,538
Balance at the end of the period	315,360	277,061	277,061
Other Intangible Assets
Balance at the beginning of the period	64,629	54,402
Additions	1,484	10,253
Amortization	(7)	(26)	(26)
Balance at the end of the period	66,106	64,629	64,629
Visiting Nurse
Goodwill
Balance at the end of the period	189,103
Other Intangible Assets
Balance at the end of the period	57,661
Personal Care
Goodwill
Balance at the end of the period	72,860
Other Intangible Assets
Balance at the end of the period	8,445
Healthcare Innovations
Goodwill
Balance at the end of the period	53,397
Non-compete Agreements
Other Intangible Assets
Balance at the beginning of the period	184	20
Additions		180
Amortization	(4)	(16)	(16)
Balance at the end of the period	180	184	184
Non-compete Agreements | Visiting Nurse
Other Intangible Assets
Balance at the end of the period	90
Non-compete Agreements | Personal Care
Other Intangible Assets
Balance at the end of the period	90
Certificates of Need and Licenses
Other Intangible Assets
Balance at the beginning of the period	46,044	39,611
Additions	1,484	6,433
Balance at the end of the period	47,528	46,044	46,044
Certificates of Need and Licenses | Visiting Nurse
Other Intangible Assets
Balance at the end of the period	44,368
Certificates of Need and Licenses | Personal Care
Other Intangible Assets
Balance at the end of the period	3,160
Trade Names
Other Intangible Assets
Balance at the beginning of the period	18,401	14,771
Additions		3,640
Amortization	(3)	(10)	(10)
Balance at the end of the period	18,398	$ 18,401	$ 18,401
Trade Names | Visiting Nurse
Other Intangible Assets
Balance at the end of the period	13,203
Trade Names | Personal Care
Other Intangible Assets
Balance at the end of the period	$ 5,195