Selected Quarterly Data (Tables)

12 Months Ended

Dec. 31, 2012

2012 and 2011 quarterly financial information:


	2012
In thousands, except per-share data	First		Second		Third		Fourth			Year
Net sales	$	858,177	$	941,525	$	865,512	$	1,750,932		$	4,416,146
Gross profit		280,719		312,128		278,077		398,668			1,269,592
Operating income (loss)		86,474		119,314		55,199		(304,106	)		(43,119	)
Net income (loss) before noncontrolling interest		63,099		74,430		32,595		(274,736	)		(104,612	)
Net income (loss) attributable to Pentair Ltd.		61,759		72,775		31,363		(273,083	)		(107,186	)

Earnings (loss) per common share attributable to Pentair Ltd. ⁽¹⁾
Basic	$	0.63	$	0.73	$	0.31	$	(1.31	)	$	(0.84	)
Diluted		0.62		0.72		0.31		(1.31	)		(0.84	)

	2011
In thousands, except per-share data	First		Second		Third		Fourth			Year
Net sales	$	790,273	$	910,175	$	890,546	$	865,692		$	3,456,686
Gross profit		249,059		287,736		272,062		264,865			1,073,722
Operating income (loss)		85,469		108,714		92,195		(186,175	)		100,203
Net income (loss) before noncontrolling interest		51,602		67,705		51,610		(174,068	)		(3,151	)
Net income (loss) attributable to Pentair Ltd.		50,109		66,280		50,648		(174,487	)		(7,450	)

Earnings (loss) per common share attributable to Pentair Ltd. ⁽¹⁾
Basic	$	0.51	$	0.67	$	0.51	$	(1.77	)	$	(0.08	)
Diluted		0.50		0.66		0.50		(1.77	)		(0.08	)

(1)

Amounts may not total to annual earnings because each quarter and year are calculated separately based on basic and diluted weighted-average common shares outstanding during that period.

Increase (Reduction) to Previously Reported Quarterly Information

Increase (reduction) to previously reported quarterly information (or for the fourth quarter of 2012, what would have been reported absent the changes in accounting principle):


	2012
In thousands, except per-share data	First			Second			Third			Fourth			Year
Operating income (loss)	$	1,522		$	1,522		$	1,522		$	(146,304	)	$	(141,738	)
Net income (loss) before noncontrolling interest		945			945			945			(89,296	)		(86,461	)
Net income (loss) attributable to Pentair Ltd.		945			945			945			(89,296	)		(86,461	)

Earnings (loss) per common share attributable to Pentair Ltd. ⁽¹⁾
Basic	$	0.01		$	0.01		$	0.01		$	(0.43	)	$	(0.68	)
Diluted		0.01			0.01			0.01			(0.43	)		(0.68	)

	2011
In thousands, except per-share data	First			Second			Third			Fourth			Year
Operating income (loss)	$	(708	)	$	(708	)	$	(708	)	$	(66,190	)	$	(68,314	)
Net income (loss) before noncontrolling interest		(432	)		(432	)		(432	)		(40,376	)		(41,672	)
Net income (loss) attributable to Pentair Ltd.		(432	)		(432	)		(432	)		(40,376	)		(41,672	)

Earnings (loss) per common share attributable to Pentair Ltd. ⁽¹⁾
Basic	$	(0.01	)	$	(0.01	)	$	(0.01	)	$	(0.41	)	$	(0.42	)
Diluted		(0.01	)		(0.01	)		(0.01	)		(0.41	)		(0.42	)

(1)

Amounts may not total to annual earnings because each quarter and year are calculated separately based on basic and diluted weighted-average common shares outstanding during that period.

- Definition

Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made.

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