Lines of Business (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Lines of Business

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

	Animal Hospital			Laboratory		All Other			Corporate			Eliminations			Total
Three Months Ended September 30, 2013
External revenue	$	368,868		$	72,877	$	21,482		$	—		$	828		$	464,055
Intercompany revenue	—			13,583		5,980			—			(19,563		)	—
Total revenue	368,868			86,460		27,462			—			(18,735		)	464,055
Direct costs	308,029			45,650		17,456			—			(17,757		)	353,378
Gross profit	60,839			40,810		10,006			—			(978		)	110,677
Selling, general and administrative expense	8,678			7,921		7,618			14,530			—			38,747
Operating income (loss) before charges	52,161			32,889		2,388			(14,530		)	(978		)	71,930
Net (gain) loss on sale or disposal of assets	(110		)	11		—			(10		)	—			(109		)
Operating income (loss)	$	52,271		$	32,878	$	2,388		$	(14,520	)	$	(978	)	$	72,039
Depreciation and amortization	$	15,037		$	2,554	$	2,087		$	816		$	(450	)	$	20,044
Property and equipment additions	$	15,915		$	1,905	$	872		$	1,795		$	(900	)	$	19,587
Three Months Ended September 30, 2012
External revenue	$	342,840		$	68,139	$	21,970		$	—		$	664		$	433,613
Intercompany revenue	—			13,147		6,130			—			(19,277		)	—
Total revenue	342,840			81,286		28,100			—			(18,613		)	433,613
Direct costs	288,588			44,109		19,217			—			(17,482		)	334,432
Gross profit	54,252			37,177		8,883			—			(1,131		)	99,181
Selling, general and administrative expense	7,745			7,285		8,764			13,814			—			37,608
Operating income (loss) before charges	46,507			29,892		119			(13,814		)	(1,131		)	61,573
Net (gain) loss on sale or disposal of assets	(77		)	—		464			—			—			387
Operating income (loss)	$	46,584		$	29,892	$	(345	)	$	(13,814	)	$	(1,131	)	$	61,186
Depreciation and amortization	$	13,953		$	2,544	$	2,611		$	806		$	(395	)	$	19,519
Property and equipment additions	$	14,069		$	1,342	$	1,660		$	2,120		$	(1,099	)	$	18,092

9.    Lines of Business, continued

	Animal Hospital		Laboratory			All Other			Corporate			Eliminations			Total
Nine Months Ended September 30, 2013
External revenue	$	1,074,688	$	223,466		$	67,339		$	—		$	2,423		$	1,367,916
Intercompany revenue	—		41,559			16,118			—			(57,677		)	—
Total revenue	1,074,688		265,025			83,457			—			(55,254		)	1,367,916
Direct costs	908,537		136,524			54,394			—			(53,433		)	1,046,022
Gross profit	166,151		128,501			29,063			—			(1,821		)	321,894
Selling, general and administrative expense	25,723		23,891			24,573			43,429			—			117,616
Operating income (loss) before charges	140,428		104,610			4,490			(43,429		)	(1,821		)	204,278
Net loss (gain) on sale or disposal of assets	1,459		5			3			(280		)	—			1,187
Operating income (loss)	$	138,969	$	104,605		$	4,487		$	(43,149	)	$	(1,821	)	$	203,091
Depreciation and amortization	$	43,108	$	7,651		$	5,989		$	2,370		$	(1,335	)	$	57,783
Property and equipment additions	$	41,682	$	5,641		$	3,244		$	3,741		$	(1,626	)	$	52,682
Nine Months Ended September 30, 2012
External revenue	$	1,001,247	$	212,562		$	65,926		$	—		$	1,715		$	1,281,450
Intercompany revenue	—		40,074			15,917			—			(55,991		)	—
Total revenue	1,001,247		252,636			81,843			—			(54,276		)	1,281,450
Direct costs	852,059		132,612			54,499			—			(50,887		)	988,283
Gross profit	149,188		120,024			27,344			—			(3,389		)	293,167
Selling, general and administrative expense	22,797		22,393			27,076			43,390			—			115,656
Operating income (loss) before charges	126,391		97,631			268			(43,390		)	(3,389		)	177,511
Net loss (gain) on sale or disposal of assets	316		(14		)	704			16			—			1,022
Operating income (loss)	$	126,075	$	97,645		$	(436	)	$	(43,406	)	$	(3,389	)	$	176,489
Depreciation and amortization	$	40,536	$	7,618		$	7,456		$	2,374		$	(1,102	)	$	56,882
Property and equipment additions	$	40,132	$	4,691		$	4,430		$	8,111		$	(2,107	)	$	55,257

At September 30, 2013
Total assets	$	1,849,587	$	252,179	$	99,435	$	63,803	$	(29,669	)	$	2,235,335
At December 31, 2012
Total assets	$	1,648,578	$	244,551	$	98,159	$	127,963	$	(27,671	)	$	2,091,580