Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 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	122,392
Balance at the end of the period	427,868	305,476
Other Intangible Assets
Balance at the beginning of the period	85,063
Additions	28,505
Amortization	(181)
Balance at the end of the period	113,387	85,063
Visiting Nurse
Goodwill
Balance at the end of the period	316,216
Other Intangible Assets
Balance at the end of the period	89,005
Personal Care
Goodwill
Balance at the end of the period	75,003
Other Intangible Assets
Balance at the end of the period	9,439
Healthcare Innovations
Goodwill
Balance at the end of the period	36,649
Other Intangible Assets
Balance at the end of the period	14,943
Non-compete Agreements
Other Intangible Assets
Balance at the beginning of the period	620
Additions	300
Amortization	(54)
Balance at the end of the period	866	620
Non-compete Agreements | Visiting Nurse
Other Intangible Assets
Balance at the end of the period	350
Non-compete Agreements | Personal Care
Other Intangible Assets
Balance at the end of the period	64
Non-compete Agreements | Healthcare Innovations
Other Intangible Assets
Balance at the end of the period	452
Customer Relationships
Other Intangible Assets
Balance at the beginning of the period	9,688
Amortization	(127)
Balance at the end of the period	9,561	9,688
Customer Relationships | Healthcare Innovations
Other Intangible Assets
Balance at the end of the period	9,561
Certificates of Need and Licenses
Other Intangible Assets
Balance at the beginning of the period	51,432
Additions	19,805
Balance at the end of the period	71,237	51,432
Certificates of Need and Licenses | Visiting Nurse
Other Intangible Assets
Balance at the end of the period	67,057
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	8,400
Balance at the end of the period	31,723	$ 23,323
Trade Names | Visiting Nurse
Other Intangible Assets
Balance at the end of the period	21,598
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