Lines of Business (Tables)

6 Months Ended

Jun. 30, 2013

Segment Reporting [Abstract]

Lines of Business

The following is a summary of certain financial data for each of our segments (in thousands):

9.    Lines of Business, continued

	Animal Hospital			Laboratory			All Other		Corporate			Intercompany Eliminations			Total
Three Months Ended June 30, 2013
External revenue	$	365,205		$	77,937		$	22,113	$	—		$	—		$	465,255
Intercompany revenue	—			13,293			5,359		—			(18,652		)	—
Total revenue	365,205			91,230			27,472		—			(18,652		)	465,255
Direct costs	305,092			46,004			18,049		—			(18,184		)	350,961
Gross profit	60,113			45,226			9,423		—			(468		)	114,294
Selling, general and administrative expense	8,720			7,965			8,041		14,297			—			39,023
Operating income (loss) before charges	51,393			37,261			1,382		(14,297		)	(468		)	75,271
Net (gain) loss on sale or disposal of assets	(160		)	(1		)	1		(270		)	—			(430		)
Operating income (loss)	$	51,553		$	37,262		$	1,381	$	(14,027	)	$	(468	)	$	75,701
Depreciation and amortization	$	14,684		$	2,590		$	1,937	$	735		$	(446	)	$	19,500
Property and equipment additions	$	11,326		$	1,818		$	1,039	$	1,306		$	(363	)	$	15,126
Three Months Ended June 30, 2012
External revenue	$	342,282		$	72,452		$	23,638	$	—		$	—		$	438,372
Intercompany revenue	—			14,168			3,780		—			(17,948		)	—
Total revenue	342,282			86,620			27,418		—			(17,948		)	438,372
Direct costs	292,902			44,324			17,624		—			(17,085		)	337,765
Gross profit	49,380			42,296			9,794		—			(863		)	100,607
Selling, general and administrative expense	7,995			7,510			9,029		14,463			—			38,997
Operating income (loss) before charges	41,385			34,786			765		(14,463		)	(863		)	61,610
Net (gain) loss on sale or disposal of assets	(112		)	(7		)	232		(1		)	—			112
Operating income (loss)	$	41,497		$	34,793		$	533	$	(14,462	)	$	(863	)	$	61,498
Depreciation and amortization	$	15,239		$	2,521		$	2,582	$	804		$	(345	)	$	20,801
Property and equipment additions	$	15,297		$	2,282		$	1,048	$	3,008		$	(542	)	$	21,093

9.    Lines of Business, continued

	Animal Hospital		Laboratory			All Other			Corporate			Intercompany Eliminations			Total
Six Months Ended June 30, 2013
External revenue	$	705,820	$	151,576		$	46,465		$	—		$	—		$	903,861
Intercompany revenue	—		26,989			9,530			—			(36,519		)	—
Total revenue	705,820		178,565			55,995			—			(36,519		)	903,861
Direct costs	600,508		90,874			36,938			—			(35,676		)	692,644
Gross profit	105,312		87,691			19,057			—			(843		)	211,217
Selling, general and administrative expense	17,045		15,970			16,955			28,899			—			78,869
Operating income (loss) before charges	88,267		71,721			2,102			(28,899		)	(843		)	132,348
Net loss (gain) on sale or disposal of assets	1,569		(6		)	3			(270		)	—			1,296
Operating income (loss)	$	86,698	$	71,727		$	2,099		$	(28,629	)	$	(843	)	$	131,052
Depreciation and amortization	$	28,071	$	5,097		$	3,902		$	1,554		$	(885	)	$	37,739
Property and equipment additions	$	25,767	$	3,736		$	2,372		$	1,946		$	(726	)	$	33,095
Six Months Ended June 30, 2012
External revenue	$	658,407	$	144,423		$	45,007		$	—		$	—		$	847,837
Intercompany revenue	—		26,927			8,736			—			(35,663		)	—
Total revenue	658,407		171,350			53,743			—			(35,663		)	847,837
Direct costs	563,471		88,503			35,282			—			(33,405		)	653,851
Gross profit	94,936		82,847			18,461			—			(2,258		)	193,986
Selling, general and administrative expense	15,052		15,108			18,312			29,576			—			78,048
Operating income (loss) before charges	79,884		67,739			149			(29,576		)	(2,258		)	115,938
Net loss (gain) on sale or disposal of assets	393		(14		)	240			16			—			635
Operating income (loss)	$	79,491	$	67,753		$	(91	)	$	(29,592	)	$	(2,258	)	$	115,303
Depreciation and amortization	$	26,583	$	5,074		$	4,845		$	1,568		$	(707	)	$	37,363
Property and equipment additions	$	26,063	$	3,349		$	2,770		$	5,991		$	(1,008	)	$	37,165

At June 30, 2013
Total assets	$	1,802,057	$	252,070	$	96,938	$	54,368	$	(29,934	)	$	2,175,499
At December 31, 2012
Total assets	$	1,648,578	$	244,551	$	98,159	$	127,963	$	(27,671	)	$	2,091,580