GOODWILL AND INTANGIBLE ASSETS

12 Months Ended

Dec. 31, 2011

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill (net of accumulated amortization) for the years ended December 31, 2011 and 2010 are as follows:



	2011			2010
Balance as of January 1	$	2,601.3		$	1,897.1
Goodwill acquired during the year	86.2			704.4
Adjustments to goodwill	(5.7		)	(0.2		)
Goodwill, net	$	2,681.8		$	2,601.3

The components of identifiable intangible assets are as follows:



	December 31, 2011					December 31, 2010
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	1,187.5	$	(426.8	)	$	1,146.0	$	(370.0	)
Patents, licenses and technology	144.9		(88.3		)	144.7		(75.7		)
Non-compete agreements	28.1		(14.8		)	26.6		(9.4		)
Trade names	129.2		(61.3		)	123.3		(50.3		)
Canadian licenses	722.2		—			738.9		—
	$	2,211.9	$	(591.2	)	$	2,179.5	$	(505.4	)

A summary of amortizable intangible assets acquired during 2011, and their respective weighted average amortization periods are as follows:



	Amount		Weighted Average Amortization Period
Customer relationships	$	41.6	13.9
Patents, licenses and technology	—		—
Non-compete agreements	1.7		5.0
Trade names	6.0		9.8
	$	49.3	13.4

Amortization of intangible assets was $85.8, $72.7 and $62.6 in 2011, 2010 and 2009, respectively. Amortization expense of intangible assets is estimated to be $83.9 in fiscal 2012, $78.3 in fiscal 2013, $75.5 in fiscal 2014, $72.0 in fiscal 2015, $66.8 in fiscal 2016, and $478.2 thereafter.

The Company paid $0.0, $0.4 and $0.0 in 2011, 2010 and 2009 for certain exclusive and non-exclusive licensing rights to diagnostic testing technology. These amounts are being amortized over the life of the licensing agreements.

As of December 31, 2011, the Ontario operation has $722.2 of value assigned to the partnership’s indefinite lived Canadian licenses to conduct diagnostic testing services in the province.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

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