Segment Information (Details) (USD $) In Thousands	3 Months Ended			6 Months Ended
	Sep. 30, 2011		Oct. 01, 2010	Sep. 30, 2011		Oct. 01, 2010	Apr. 01, 2011
Segment Reporting Information [Line Items]
Net sales	$ 521,756		$ 496,188	$ 1,035,438		$ 975,045
Income (Loss) from Operations	36,266		35,429	62,778		60,679
Income (Loss) Before Provision for Income Taxes	32,088		31,661	54,666		53,383
Total assets	964,780	[1]		964,780	[1]		951,672	[1]
Physician Business [Member]
Segment Reporting Information [Line Items]
Net sales	376,870		343,403	743,179		670,806
Income (Loss) from Operations	38,933		37,130	69,180		64,753
Income (Loss) Before Provision for Income Taxes	38,108		36,399	67,572		63,382
Total assets	589,700			589,700			570,278
Extended Care Business [Member]
Segment Reporting Information [Line Items]
Net sales	144,237		152,173	291,163		303,376
Income (Loss) from Operations	7,331		8,759	14,618		16,688
Income (Loss) Before Provision for Income Taxes	5,355		6,736	10,660		12,725
Total assets	296,249			296,249			298,016
Corporate Shared Services [Member]
Segment Reporting Information [Line Items]
Net sales	649		612	1,096		863
Income (Loss) from Operations	(9,998)		(10,460)	(21,020)		(20,762)
Income (Loss) Before Provision for Income Taxes	(11,375)		(11,474)	(23,566)		(22,724)
Total assets	$ 78,831			$ 78,831			$ 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.