Segment Information (Tables)

6 Months Ended

Jun. 27, 2015

Schedule of Sales and Other Financial Information by Business Segment

The following table presents revenue and other financial information by reportable segment:



	Three Months Ended				Six Months Ended
	June 27, 2015		June 28, 2014		June 27, 2015		June 28, 2014
	(in thousands)
Research Models and Services
Revenue	$	120,044	$	133,120	$	240,055	$	265,615
Gross margin	49,707		52,450		95,511		104,097
Operating income	33,461		34,234		62,306		69,678
Depreciation and amortization	5,348		6,559		11,393		13,000
Capital expenditures	6,356		3,319		9,089		7,418
Discovery and Safety Assessment
Revenue	$	153,375	$	142,614	$	293,387	$	247,752
Gross margin	49,256		39,457		92,939		65,116
Operating income	28,149		17,798		51,665		29,511
Depreciation and amortization	12,412		12,385		23,551		20,527
Capital expenditures	4,101		3,858		9,479		7,894
Manufacturing Support
Revenue	$	66,154	$	65,445	$	126,545	$	127,180
Gross margin	33,820		33,727		63,993		65,234
Operating income	20,431		20,455		37,229		38,871
Depreciation and amortization	3,609		3,484		6,895		7,112
Capital expenditures	1,770		1,717		3,336		3,981

Reconciliation of Segment Operating Income to Consolidated Operating Income

For the three months ended June 27, 2015, reconciliations of segment operating income, depreciation and amortization, and capital expenditures to the respective consolidated amounts are as follows:



	Operating Income						Depreciation and Amortization				Capital Expenditures
	June 27, 2015			June 28, 2014			June 27, 2015		June 28, 2014		June 27, 2015		June 28, 2014
	(in thousands)
Total reportable segments	$	82,041		$	72,487		$	21,369	$	22,428	$	12,227	$	8,894
Unallocated corporate	(26,306		)	(21,462		)	1,779		1,874		1,681		421
Total consolidated	$	55,735		$	51,025		$	23,148	$	24,302	$	13,908	$	9,315

For the six months ended June 27, 2015, reconciliations of segment operating income, depreciation and amortization, and capital expenditures to the respective consolidated amounts are as follows:



	Operating Income						Depreciation and Amortization				Capital Expenditures
	June 27, 2015			June 28, 2014			June 27, 2015		June 28, 2014		June 27, 2015		June 28, 2014
	(in thousands)
Total reportable segments	$	151,200		$	138,060		$	41,839	$	40,639	$	21,904	$	19,293
Unallocated corporate	(52,460		)	(47,329		)	3,677		3,713		2,652		1,212
Total consolidated	$	98,740		$	90,731		$	45,516	$	44,352	$	24,556	$	20,505

Schedule of Net Sales for Each Significant Service Area

Revenue for each significant product or service area is as follows:



	Three Months Ended				Six Months Ended
	June 27, 2015		June 28, 2014		June 27, 2015		June 28, 2014
	(in thousands)
Research models and services	$	120,044	$	133,120	$	240,055	$	265,615
Discovery and safety assessment	153,375		142,614		293,387		247,752
Endotoxin and Microbial Detection	33,653		33,579		66,479		66,045
Other manufacturing support	32,501		31,866		60,066		61,135
Manufacturing support	66,154		65,445		126,545		127,180
Total revenue	$	339,573	$	341,179	$	659,987	$	640,547

Summary of Unallocated Corporate Overhead

A summary of unallocated corporate overhead consists of the following:



	Three Months Ended				Six Months Ended
	June 27, 2015		June 28, 2014		June 27, 2015		June 28, 2014
	(in thousands)
Stock-based compensation expense	$	6,419	$	4,905	$	12,699	$	8,607
Salary, bonus and fringe	7,234		7,438		17,930		17,705
Consulting, audit and professional services	3,130		2,437		6,771		5,668
IT related expenses	1,685		1,323		3,549		2,900
Depreciation expense	1,779		1,874		3,677		3,713
Acquisition related adjustments	3,956		1,371		3,594		4,676
Other general unallocated corporate expenses	2,103		2,114		4,240		4,060
Total unallocated corporate overhead costs	$	26,306	$	21,462	$	52,460	$	47,329