Lines of Business (Tables)

6 Months Ended

Jun. 30, 2011

Lines of Business [Abstract]

Lines of Business

	Animal					Medical					Intercompany
	Hospital			Laboratory		Technology		Corporate			Eliminations			Total
Three Months Ended June 30, 2011
External revenue	$	291,332		$	72,955	$	11,818	$	—		$	—		$	376,105
Intercompany revenue		—			11,430		4,391		—			(15,821	)		—
Total revenue		291,332			84,385		16,209		—			(15,821	)		376,105
Direct costs		238,392			43,716		11,419		—			(14,254	)		279,273
Gross profit		52,940			40,669		4,790		—			(1,567	)		96,832
Selling, general and administrative expense		6,044			6,853		3,584		10,182			—			26,663
Net loss on sale and disposal of assets		51			7		2		—			—			60
Operating income (loss)	$	46,845		$	33,809	$	1,204	$	(10,182	)	$	(1,567	)	$	70,109
Depreciation and amortization	$	9,533		$	2,508	$	668	$	685		$	(318	)	$	13,076
Capital expenditures	$	13,236		$	1,728	$	258	$	1,627		$	(449	)	$	16,400
Three Months Ended June 30, 2010
External revenue	$	267,595		$	73,259	$	13,065	$	—		$	—		$	353,919
Intercompany revenue		—			9,713		1,537		—			(11,250	)		—
Total revenue		267,595			82,972		14,602		—			(11,250	)		353,919
Direct costs		218,567			42,416		10,255		—			(10,803	)		260,435
Gross profit		49,028			40,556		4,347		—			(447	)		93,484
Selling, general and administrative expense		5,673			6,527		3,404		25,441			—			41,045
Net (gain) loss on sale and disposal of assets		(35	)		—		14		7			—			(14	)
Operating income (loss)	$	43,390		$	34,029	$	929	$	(25,448	)	$	(447	)	$	52,453
Depreciation and amortization	$	7,630		$	2,396	$	605	$	618		$	(250	)	$	10,999
Capital expenditures	$	9,849		$	1,506	$	124	$	858		$	(461	)	$	11,876

	Animal					Medical					Intercompany
	Hospital			Laboratory		Technology		Corporate			Eliminations			Total
Six Months Ended June 30, 2011
External revenue	$	561,273		$	142,051	$	27,904	$	—		$	—		$	731,228
Intercompany revenue		—			21,883		7,401		—			(29,284	)		—
Total revenue		561,273			163,934		35,305		—			(29,284	)		731,228
Direct costs		468,780			86,535		26,057		—			(26,754	)		554,618
Gross profit		92,493			77,399		9,248		—			(2,530	)		176,610
Selling, general and administrative expense		12,127			13,489		7,140		20,090			—			52,846
Net loss on sale and disposal of assets		129			18		2		—			—			149
Operating income (loss)	$	80,237		$	63,892	$	2,106	$	(20,090	)	$	(2,530	)	$	123,615
Depreciation and amortization	$	19,406		$	4,979	$	1,325	$	1,365		$	(619	)	$	26,456
Capital expenditures	$	22,771		$	2,964	$	1,017	$	2,585		$	(903	)	$	28,434
Six Months Ended June 30, 2010
External revenue	$	514,263		$	142,659	$	27,731	$	—		$	—		$	684,653
Intercompany revenue		—			18,493		2,668		—			(21,161	)		—
Total revenue		514,263			161,152		30,399		—			(21,161	)		684,653
Direct costs		423,558			84,068		21,221		—			(20,473	)		508,374
Gross profit		90,705			77,084		9,178		—			(688	)		176,279
Selling, general and administrative expense		11,260			12,681		6,919		36,325			—			67,185
Net (gain) loss on sale and disposal of assets		(51	)		1		54		7			—			11
Operating income (loss)	$	79,496		$	64,402	$	2,205	$	(36,332	)	$	(688	)	$	109,083
Depreciation and amortization	$	14,982		$	4,809	$	1,206	$	1,199		$	(490	)	$	21,706
Capital expenditures	$	22,977		$	2,338	$	206	$	3,185		$	(781	)	$	27,925
At June 30, 2011
Total assets	$	1,338,034		$	228,571	$	64,851	$	229,608		$	(17,652	)	$	1,843,412
At December 31, 2010
Total assets	$	1,320,619		$	215,483	$	69,082	$	175,297		$	(14,059	)	$	1,766,422