Acquisitions (Tables)

12 Months Ended

Dec. 31, 2011

Business Acquisition [Line Items]

Summary of acquisitions of animal hospitals and laboratories

	For the Years Ended December 31,
	2011			2010			2009
Animal hospitals:
Acquisitions, excluding BrightHeart(1) in 2011 and Pet DRx(1) in 2010		18			27			27
BrightHeart(1)		9			—			—
Pet DRx		—			23			—
Acquisitions relocated into our existing animal hospitals		(3	)		(2	)		(5	)
Sold, closed or merged		(11	)		(9	)		(4	)
Total		13			39			18
Laboratories:
Acquisitions		1			—			2
Acquisitions relocated into our existing laboratories		—			—			(2	)
New facilities		2			4			3
Closed or merged		—			(1	)		—
Total		3			3			3

(1) BrightHeart Veterinary Centers (“BrightHeart) was acquired on July 11, 2011 and Pet DRx Corporation (Pet DRx”) was acquired on July 1, 2010.

Business Acquisition Pro Forma Financial information

	Revenue		Net Income
	(Unaudited)
(In thousands):
Actual from January 1, 2011 to December 31, 2011		51,008		2,018
2011 supplemental pro forma from January 1, 2011 to December 31, 2011(1)		1,557,271		97,715
2010 supplemental pro forma from January 1, 2010 to December 31, 2010(1)		1,496,492		110,028

(1) 2011 supplemental pro forma net income was adjusted to exclude $2.5 million of acquisition-related costs incurred in 2011. 2010 supplemental pro forma net income was adjusted to include these charges.

Acquisitions, excluding BrightHeart and Pet DRx [Member]

Business Acquisition [Line Items]

Summary of purchase price and allocation of the purchase price

	For Years Ended December 31,
	2011		2010			2009
Consideration:
Cash	$	34,243	$	69,456		$	56,806
Non-cash note conversion to equity interest in subsidiary		—		—			5,700
Holdback		1,500		—			—
Contingent consideration		79		2,857			712
Fair value of total consideration transferred	$	35,822	$	72,313		$	63,218
Allocation of the Purchase Price:
Tangible assets	$	1,237	$	3,592		$	8,625
Identifiable intangible assets		6,414		9,510			9,408
Goodwill(1)		28,171		60,839			51,171
Notes payable and other liabilities assumed		—		(1,628	)		(5,986	)
Total	$	35,822	$	72,313		$	63,218

(1) We expect that $26.4 million, $58.2 million and $33.6 million of the goodwill recognized in 2011, 2010 and 2009, respectively, will be fully deductible for income tax purposes.

BrightHeart [Member]

Business Acquisition [Line Items]

Summary of purchase price and allocation of the purchase price

Consideration:
Cash	$	23,490
Cash paid to holders of debt		26,048
Contingent consideration		481
Fair value of total consideration transferred	$	50,019
Allocation of the Purchase Price:
Tangible assets	$	21,129
Identifiable intangible assets(1)		7,205
Goodwill(2)		42,004
Other liabilities assumed		(20,319	)
Total	$	50,019

(1) Identifiable intangible assets primarily include customer relationships. The weighted average amortization period for both the total identifiable intangible assets and the customer-related intangible assets is approximately five years.

(2) We expect that $40.7 million of the goodwill related to the BrightHeart acquisition recorded as of December 31, 2011 will be fully deductible for income tax purposes.

MediMedia Animal Health, LLC (Vetstreet) [Member]

Business Acquisition [Line Items]

Summary of purchase price and allocation of the purchase price

Consideration:
Cash	$	146,420
Allocation of the Purchase Price:
Tangible assets	$	7,861
Identifiable intangible assets(1)		45,810
Goodwill(2)		97,177
Other liabilities assumed		(4,428	)
Total	$	146,420

(1) Identifiable intangible assets include customer relationships, technology, trademarks, non-compete agreements and contracts. The weighted average amortization period for the total identifiable intangible assets is approximately nine years, for the customer-related intangible assets approximately ten years, for the technology and trademarks approximately seven years, for the non-compete agreements approximately two years and for the contracts approximately eight years.

(2) We expect that all of the goodwill related to the Vetstreet acquisition recorded as of December 31, 2011 will be fully deductible for income tax purposes.