SUMMARIZED QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2011

SUMMARIZED QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]

Summarized Quarterly Financial Data (Unaudited)

SUMMARIZED QUARTERLY FINANCIAL DATA (UNAUDITED)

(in thousands, except per share amounts)

	2011 Quarter Ended
	March 31(1)		June 30(2)		September 30(3)		December 31(4)
Revenue	$	349,752	$	346,274	$	355,144	$	366,426
Gross profit		229,589		225,587		232,506		236,512
Net income		32,556		35,473		36,735		39,831
Earnings per share:
Basic		0.63		0.69		0.72		0.78
Diluted		0.63		0.68		0.71		0.78
Cash dividends per share		0.25		0.25		0.25		0.25

	2010 Quarter Ended
	March 31(5)		June 30(6)		September 30(7)		December 31(8)
Revenue	$	335,120	$	347,996	$	367,633	$	351,488
Gross profit		216,757		226,056		246,200		224,805
Net income		33,384		33,614		50,800		34,826
Earnings per share:
Basic		0.65		0.65		0.99		0.68
Diluted		0.65		0.65		0.98		0.68
Cash dividends per share		0.25		0.25		0.25		0.25

(1) 2011 first quarter results included net pre-tax restructuring charges of $1,474 related to our cost reduction initiatives.

(2) 2011 second quarter results included net pre-tax restructuring charges of $4,604 related to our cost reduction initiatives.

(3)  2011 third quarter results included net pre-tax restructuring charges of $4,598 related to our cost reduction initiatives.

(4) 2011 fourth quarter results included net pre-tax restructuring charges of $3,045 related to our cost reduction initiatives and an asset impairment charge of $1,196 related to a vacant facility which is held for sale.

(5) 2010 first quarter results included tax expense of $3,662 for discrete items, primarily the impact of recent health care legislation on deferred income taxes.

(6) 2010 second quarter results included net pre-tax restructuring charges of $2,093 related to our cost reduction initiatives. Results also included a $1,384 reduction in income tax expense for discrete items, primarily reductions in accruals for uncertain tax positions.

(7) 2010 third quarter results included a $1,482 reduction in income tax expense for discrete items, primarily adjustments to accruals for uncertain tax positions.

(8) 2010 fourth quarter results included net pre-tax restructuring charges of $7,754 related to our cost reduction initiatives.