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Purchase Price of Common Stock and Outstanding Common Stock (Detail) (Tyco Flow Control International, Ltd, USD $) In Thousands, unless otherwise specified | 1 Months Ended
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Sep. 29, 2012
Tyco Flow Control International, Ltd |  |
Business Combination Allocation of Purchase Price [Line Items] |  |
Value of common shares issued to Tyco shareholders | $ 4,811,363 | [1]
Cash paid to Tyco shareholders in lieu of fractional common shares | 542 | [2]
Value of replacement equity-based awards to holders of Tyco equity-based awards | 111,239 | [3]
Purchase Price | $ 4,923,144 |
[1] | Equals 110,886,444 Pentair Ltd. shares distributed to Tyco shareholders multiplied by the Merger date share price of $43.39.
[2] | Equals cash paid to Tyco shareholders in lieu of 12,490 Pentair Ltd. fractional shares multiplied by the Merger date share price of $43.39.
[3] | 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.

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