UNAUDITED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Dec. 31, 2011	Jan. 01, 2011
Net revenues	$ 191,160	$ 176,789	$ 541,174	$ 506,661
Cost of goods sold	95,229	83,299	266,545	238,953
Gross profit	95,931	93,490	274,629	267,708
Operating expenses:
Research and development	9,232	7,996	28,190	23,870
Selling, general and administrative	61,376	56,935	180,221	164,079
Contingent consideration income	0	0	(1,580)	(1,894)
Total operating expenses	70,608	64,931	206,831	186,055
Operating income	25,323	28,559	67,798	81,653
Other income (expense), net	140	(585)	370	(144)
Income before provision for income taxes	25,463	27,974	68,168	81,509
Provision for income taxes	7,211	8,240	19,088	22,517
Net income	$ 18,252	$ 19,734	$ 49,080	$ 58,992
Net income per share - basic	$ 0.73	$ 0.79	$ 1.93	$ 2.37
Net income per share - diluted	$ 0.72	$ 0.77	$ 1.90	$ 2.32
Weighted average shares outstanding
Basic	25,077	24,973	25,409	24,933
Diluted	25,438	25,517	25,833	25,477