SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Goodwill and Other Intangible Assets - (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2016	Dec. 31, 2014
Goodwill
Balance at the beginning of the period	$ 192,523	$ 192,489
Additions	84,538
Disposals		34
Balance at the end of the period	277,061	192,523
Other Intangible Assets
Balance at the beginning of the period	54,402	53,174
Additions	10,253	1,290
Amortization	(26)	(62)
Balance at the end of the period	64,629	54,402
Goodwill and Other Intangible Assets
Goodwill	192,523	192,489
Intangible Assets, Net (Excluding Goodwill)	54,402	53,174
Impairment loss on goodwill and other intangible assets	0
Visiting Nurse
Goodwill
Balance at the beginning of the period	147,368
Balance at the end of the period	186,384	147,368
Other Intangible Assets
Balance at the beginning of the period	50,232
Balance at the end of the period	56,182	50,232
Goodwill and Other Intangible Assets
Goodwill	147,368	147,368
Intangible Assets, Net (Excluding Goodwill)	50,232	50,232
Personal Care
Goodwill
Balance at the beginning of the period	37,571
Balance at the end of the period	72,773	37,571
Other Intangible Assets
Balance at the beginning of the period	4,170
Balance at the end of the period	8,447	4,170
Goodwill and Other Intangible Assets
Goodwill	37,571	37,571
Intangible Assets, Net (Excluding Goodwill)	4,170	4,170
Healthcare Innovations
Goodwill
Balance at the beginning of the period	7,584
Balance at the end of the period	17,904	7,584
Goodwill and Other Intangible Assets
Goodwill	$ 7,584	7,584
Non-compete Agreements
Activity related to goodwill and other intangible assets
Estimated useful life	3 years
Other Intangible Assets
Balance at the beginning of the period	$ 20	72
Additions	180
Amortization	(16)	(52)
Balance at the end of the period	184	20
Goodwill and Other Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	20	72
Non-compete Agreements | Visiting Nurse
Other Intangible Assets
Balance at the beginning of the period	10
Balance at the end of the period	92	10
Goodwill and Other Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	10	10
Non-compete Agreements | Personal Care
Other Intangible Assets
Balance at the beginning of the period	10
Balance at the end of the period	92	10
Goodwill and Other Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	10	10
Certificates of Need and Licenses
Other Intangible Assets
Balance at the beginning of the period	39,611	38,321
Additions	6,433	1,290
Balance at the end of the period	46,044	39,611
Goodwill and Other Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	39,611	38,321
Certificates of Need and Licenses | Visiting Nurse
Other Intangible Assets
Balance at the beginning of the period	38,831
Balance at the end of the period	42,884	38,831
Goodwill and Other Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	38,831	38,831
Certificates of Need and Licenses | Personal Care
Other Intangible Assets
Balance at the beginning of the period	780
Balance at the end of the period	3,160	780
Goodwill and Other Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	780	780
Trade Names
Other Intangible Assets
Balance at the beginning of the period	14,771	14,781
Additions	3,640
Amortization	(10)	(10)
Balance at the end of the period	18,401	14,771
Goodwill and Other Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	14,771	14,781
Trade Names | Visiting Nurse
Other Intangible Assets
Balance at the beginning of the period	11,391
Balance at the end of the period	13,206	11,391
Goodwill and Other Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	11,391	11,391
Trade Names | Personal Care
Other Intangible Assets
Balance at the beginning of the period	3,380
Balance at the end of the period	5,195	3,380
Goodwill and Other Intangible Assets
Intangible Assets, Net (Excluding Goodwill)	$ 3,380	$ 3,380