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Noncontrolling Interests
9 Months Ended
Sep. 30, 2013
Noncontrolling Interest [Abstract]  
Non controlling interests
Noncontrolling Interests
We own some of our animal hospitals in partnerships with noncontrolling interest holders. We consolidate our partnerships in our condensed, consolidated financial statements because our ownership interest in these partnerships is equal to or greater than 50.1% and we control these entities. We record noncontrolling interest in income of subsidiaries equal to our partners’ percentage ownership of the partnerships’ income. We also record changes in the redemption value of our redeemable noncontrolling interests in net income attributable to noncontrolling interests in our condensed, consolidated income statements. We reflect our noncontrolling partners’ cumulative share in the equity of the respective partnerships as either noncontrolling interests in equity, mandatorily redeemable noncontrolling interests in other liabilities, or redeemable noncontrolling interests in temporary equity (mezzanine).
 
a.
Mandatorily Redeemable Noncontrolling Interests
The terms of some of our partnership agreements require us to purchase the partner’s equity in the partnership in the event of the partner’s death. We report these redeemable noncontrolling interests at their estimated redemption value, which approximates fair value and classify them as liabilities due to the certainty of the related event. Estimated redemption value is determined using either a contractually stated formula or a multiple of revenue, both of which are used as an approximation of fair value. The formulas used to determine the redemption value use level 3 inputs and include an EBITDA multiple or a two-year revenue average calculation and a valuation multiple. We recognize changes in the obligation as interest cost in the condensed, consolidated statements of income.

The following table provides a summary of mandatorily redeemable noncontrolling interests included in other liabilities in our consolidated balance sheets (in thousands):

 
Income
Statement
Impact
 
Mandatorily Redeemable
Noncontrolling
Interests
Balance as of December 31, 2011
 
 
$
3,111

Noncontrolling interest expense
$
1,359

 
 
Redemption value change
117

 
1,476

Formation of noncontrolling interests
 
 
8,161

Distribution to noncontrolling interests
 
 
(1,009
)
Currency translation adjustment
 
 
(56
)
Balance as of September 30, 2012
 
 
$
11,683

 
 
 
 
Balance as of December 31, 2012
 
 
$
11,047

Noncontrolling interest expense
$
1,475

 
 
Redemption value change
134

 
1,609

Purchase of noncontrolling interests
 
 
(658
)
Dissolution of noncontrolling interests
 
 
(357
)
Distribution to noncontrolling interests
 
 
(1,437
)
Currency translation adjustment
 
 
(145
)
Balance as of September 30, 2013
 
 
$
10,059




b.
Redeemable Noncontrolling Interests
We also enter into partnership agreements whereby the minority partner is issued certain “put” rights. These rights are normally exercisable at the sole discretion of the minority partner. We report these redeemable noncontrolling interests at their estimated redemption value and classify them in temporary equity (mezzanine). We recognize changes in the obligation in net income attributable to noncontrolling interests.
12.    Noncontrolling Interests, continued

The following table provides a summary of redeemable noncontrolling interests (in thousands):

 
Income
Statement
Impact
 
Redeemable
Noncontrolling
Interests
Balance as of December 31, 2011
 
 
$
6,964

Noncontrolling interest expense
$
666

 
 
Redemption value change
36

 
702

Distribution to noncontrolling interests
 
 
(691
)
Balance as of September 30, 2012
 
 
$
6,975

 
 
 
 
Balance as of December 31, 2012
 
 
$
6,991

Noncontrolling interest expense
$
900

 
 
Redemption value change
252

 
1,152

Formation of noncontrolling interests
 
 
3,600

Distribution to noncontrolling interests
 
 
(712
)
Balance as of September 30, 2013
 
 
$
11,031