Lines of Business (Tables)

12 Months Ended

Dec. 31, 2015

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
2015
External revenue	$	1,697,870		$	330,828		$	100,843		$	—		$	4,134		$	2,133,675
Intercompany revenue	—			63,072			26,145			—			(89,217		)	—
Total revenue	1,697,870			393,900			126,988			—			(85,083		)	2,133,675
Direct costs	1,433,535			192,198			80,286			—			(82,415		)	1,623,604
Gross profit	264,335			201,702			46,702			—			(2,668		)	510,071
Selling, general and administrative expense	44,311			38,075			33,569			68,040			—			183,995
Operating income (loss) before charges	220,024			163,627			13,133			(68,040		)	(2,668		)	326,076
Business interruption insurance gain	—			—			(4,523		)	—			—			(4,523		)
Net (gain) loss on sale or disposal of assets	(555		)	26			82			1,276			—			829
Operating income (loss)	$	220,579		$	163,601		$	17,574		$	(69,316	)	$	(2,668	)	$	329,770
Depreciation and amortization	$	66,129		$	10,726		$	4,640		$	2,349		$	(2,156	)	$	81,688
Property and equipment additions	$	71,155		$	17,418		$	1,849		$	8,319		$	(3,507	)	$	95,234
Total assets at December 31, 2015	$	2,186,959		$	306,296		$	73,491		$	477,245		$	(536,726	)	$	2,507,265
2014
External revenue	$	1,514,878		$	303,798		$	96,053		$	—		$	3,754		$	1,918,483
Intercompany revenue	—			56,598			19,732			—			(76,330		)	—
Total revenue	1,514,878			360,396			115,785			—			(72,576		)	1,918,483
Direct costs	1,284,077			184,588			77,161			—			(71,984		)	1,473,842
Gross profit	230,801			175,808			38,624			—			(592		)	444,641
Selling, general and administrative expense	39,022			33,550			33,456			65,478			—			171,506
Operating income (loss) before charges	191,779			142,258			5,168			(65,478		)	(592		)	273,135
Impairment of goodwill and other long-lived assets	—			—			27,019			—			—			27,019
Net loss (gain) on sale or disposal of assets	1,473			(88		)	(2,201		)	(336		)	—			(1,152		)
Operating income (loss)	$	190,306		$	142,346		$	(19,650	)	$	(65,142	)	$	(592	)	$	247,268
Depreciation and amortization	$	61,031		$	10,444		$	6,940		$	2,943		$	(1,931	)	$	79,427
Property and equipment additions	$	55,814		$	8,306		$	4,912		$	6,649		$	(2,733	)	$	72,948
Total assets at December 31, 2014	$	2,021,725		$	258,550		$	89,596		$	240,083		$	(308,265	)	$	2,301,689
2013
External revenue	$	1,417,908		$	290,583		$	91,686		$	—		$	3,192		$	1,803,369
Intercompany revenue	—			54,248			21,054			—			(75,302		)	—
Total revenue	1,417,908			344,831			112,740			—			(72,110		)	1,803,369
Direct costs	1,208,781			180,952			74,139			—			(69,883		)	1,393,989
Gross profit	209,127			163,879			38,601			—			(2,227		)	409,380
Selling, general and administrative expense	34,133			31,915			32,941			58,922			—			157,911
Operating income (loss) before charges	174,994			131,964			5,660			(58,922		)	(2,227		)	251,469
Net loss (gain) on sale or disposal of assets	2,853			(77		)	7			(328		)	—			2,455
Operating income (loss)	$	172,141		$	132,041		$	5,653		$	(58,594	)	$	(2,227	)	$	249,014
Depreciation and amortization	$	57,748		$	10,251		$	7,909		$	3,284		$	(1,783	)	$	77,409
Property and equipment additions	$	54,116		$	11,148		$	4,288		$	5,908		$	(2,190	)	$	73,270
Total assets at December 31, 2013	$	1,844,235		$	248,282		$	96,245		$	48,246		$	(37,817	)	$	2,199,191

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

The table below lists our revenue by geographic area for fiscal 2015, 2014 and 2013 (in thousands):

	2015		2014		2013
Revenue*
United States	$	1,957,842	$	1,760,946	$	1,671,170
Canada	175,833		157,537		132,199
Total	$	2,133,675	$	1,918,483	$	1,803,369

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*Revenues are determined based on the location of the customer. Long-lived assets were not disclosed, as the amounts attributable to the Canadian operations are immaterial, as compared to total consolidated long-lived assets.