Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Apr. 03, 2015	Dec. 31, 2014
Goodwill and Other Intangible Assets
Impairment loss on goodwill and other intangible assets		$ 0
Goodwill
Balance at the beginning of the period	192,523
Balance at the end of the period	195,066	192,523
Additions	2,543
Other Intangible Assets
Balance at the beginning of the period	54,402
Additions	250
Amortization	(7)
Balance at the end of the period	54,645	54,402
Visiting Nurse
Goodwill
Balance at the end of the period	148,070
Other Intangible Assets
Balance at the end of the period	50,437
Personal Care
Goodwill
Balance at the end of the period	39,412
Other Intangible Assets
Balance at the end of the period	4,208
Healthcare Innovations
Goodwill
Balance at the end of the period	7,584
Non-compete Agreements
Other Intangible Assets
Amortization	(4)
Balance at the end of the period	16	20
Non-compete Agreements | Visiting Nurse
Other Intangible Assets
Balance at the end of the period	8
Non-compete Agreements | Personal Care
Other Intangible Assets
Balance at the end of the period	8
Certificates of Need and Licenses
Other Intangible Assets
Balance at the beginning of the period	39,611
Additions	250
Balance at the end of the period	39,861
Certificates of Need and Licenses | Visiting Nurse
Other Intangible Assets
Balance at the end of the period	39,041
Certificates of Need and Licenses | Personal Care
Other Intangible Assets
Balance at the end of the period	820
Trade Names
Other Intangible Assets
Amortization	(3)
Balance at the end of the period	14,768	14,771
Trade Names | Visiting Nurse
Other Intangible Assets
Balance at the end of the period	11,388
Trade Names | Personal Care
Other Intangible Assets
Balance at the end of the period	$ 3,380