Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 29, 2017	Dec. 30, 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	$ 305,476
Additions	85,076
Balance at the end of the period	390,552	305,476
Other Intangible Assets
Balance at the beginning of the period	85,063
Additions	62,133
Assets held for sale	(1,290)
Amortization	(543)
Balance at the end of the period	145,363	85,063
Home Health
Goodwill
Balance at the end of the period	278,034
Other Intangible Assets
Balance at the end of the period	121,303
Personal Care
Goodwill
Balance at the end of the period	75,869
Other Intangible Assets
Balance at the end of the period	9,431
Healthcare Innovations
Goodwill
Balance at the end of the period	36,649
Other Intangible Assets
Balance at the end of the period	14,629
Non-compete Agreements
Other Intangible Assets
Balance at the beginning of the period	620
Additions	490
Amortization	(162)
Balance at the end of the period	948	620
Non-compete Agreements | Home Health
Other Intangible Assets
Balance at the end of the period	500
Non-compete Agreements | Personal Care
Other Intangible Assets
Balance at the end of the period	56
Non-compete Agreements | Healthcare Innovations
Other Intangible Assets
Balance at the end of the period	392
Customer Relationships
Other Intangible Assets
Balance at the beginning of the period	9,688
Amortization	(381)
Balance at the end of the period	9,307	9,688
Customer Relationships | Healthcare Innovations
Other Intangible Assets
Balance at the end of the period	9,307
Certificates of Need and Licenses
Other Intangible Assets
Balance at the beginning of the period	51,432
Additions	51,763
Assets held for sale	(1,290)
Balance at the end of the period	101,905	51,432
Certificates of Need and Licenses | Home Health
Other Intangible Assets
Balance at the end of the period	97,725
Certificates of Need and Licenses | Personal Care
Other Intangible Assets
Balance at the end of the period	4,180
Trade Names
Other Intangible Assets
Balance at the beginning of the period	23,323
Additions	9,880
Balance at the end of the period	33,203	$ 23,323
Trade Names | Home Health
Other Intangible Assets
Balance at the end of the period	23,078
Trade Names | Personal Care
Other Intangible Assets
Balance at the end of the period	5,195
Trade Names | Healthcare Innovations
Other Intangible Assets
Balance at the end of the period	$ 4,930