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Acquisitions and Divestitures - Purchase Price of Common Stock and Outstanding Common Stock (Detail) (Tyco Flow Control International, Ltd, USD $) In Millions, unless otherwise specified | Sep. 28, 2012
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Tyco Flow Control International, Ltd |  |
Business Combination Allocation of Purchase Price [Line Items] |  |
Value of common shares issued to Tyco shareholders | $ 4,811.4 | [1]
Value of replacement equity-based awards to holders of Tyco equity-based awards | 119.8 | [2]
Cash paid to Tyco in settlement of the working capital and net indebtedness adjustment | 84.4 | [3]
Cash paid to Tyco shareholders in lieu of fractional common shares | 0.5 | [4]
Total purchase price | $ 5,016.1 |
[1] | Equals 110.9 million Pentair Ltd. shares distributed to Tyco shareholders multiplied by the Merger date share price of $43.39.
[2] | In accordance with applicable accounting guidance, the fair value of replacement equity-based awards attributable to pre-combination service is recorded as part of the consideration transferred in the Merger, while the fair value of replacement equity-based awards attributable to post-combination service is recorded separately from the business combination and recognized as compensation cost in the post-acquisition period over the remaining service period. The fair value of our equivalent stock options was estimated using the Black-Scholes valuation model utilizing various assumptions.
[3] | In June 2013, cash was paid to Tyco in settlement of the working capital and net indebtedness adjustment.
[4] | Equals cash paid to Tyco shareholders in lieu of less than 0.1 million Pentair Ltd. fractional shares multiplied by the Merger date share price of $43.39.

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