Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Dec. 30, 2011		Dec. 31, 2010	Dec. 30, 2011		Dec. 31, 2010	Apr. 01, 2011
Segment Reporting Information [Line Items]
Net sales	$ 527,695		$ 510,087	$ 1,563,133		$ 1,485,131
Income (Loss) from Operations	34,740		34,706	97,519		95,385
Income (Loss) Before Provision for Income Taxes	30,532		31,348	85,199		84,732
Total assets	1,039,447	[1]		1,039,447	[1]		951,672	[1]
Physician Business [Member]
Segment Reporting Information [Line Items]
Net sales	379,263		357,298	1,122,441		1,028,104
Income (Loss) from Operations	38,375		34,908	107,556		99,661
Income (Loss) Before Provision for Income Taxes	37,700		34,422	105,272		97,804
Total assets	589,731			589,731			570,278
Extended Care Business [Member]
Segment Reporting Information [Line Items]
Net sales	147,994		152,263	439,157		455,639
Income (Loss) from Operations	7,372		10,311	21,990		26,999
Income (Loss) Before Provision for Income Taxes	5,273		8,302	15,933		21,027
Total assets	327,413			327,413			298,016
Corporate Shared Services [Member]
Segment Reporting Information [Line Items]
Net sales	438		526	1,535		1,388
Income (Loss) from Operations	(11,007)		(10,513)	(32,027)		(31,275)
Income (Loss) Before Provision for Income Taxes	(12,441)		(11,376)	(36,006)		(34,099)
Total assets	$ 122,303			$ 122,303			$ 83,378

[1] See footnote 3, Variable Interest Entity, for discussion of the assets and liabilities related to the Company’s consolidated variable interest entity.