Change in Accounting Principle (Tables)

12 Months Ended

Dec. 31, 2012

Results Under Our Historical Method and Our Results Had We Applied New Methods

The following table presents our results under our historical method and our results had we applied these new methods for the periods presented:

In thousands, except per-share data	Computed under previous method			Recognized under new method			Effect of Change
As of and for the year ended December 31, 2012
Statement of Operations and Comprehensive Income (Loss)
Selling, general and administrative	$	1,016,698		$	1,158,436		$	141,738
Provision (benefit) for income taxes	(24,076		)	(79,353		)	(55,277		)
Income (loss) from continuing operations	(18,151		)	(104,612		)	(86,461		)
Net income (loss) attributable to Pentair Ltd.	(20,725		)	(107,186		)	(86,461		)
Amortization of pension and other post-retirement prior service cost and transition obligation	(86,714		)	(253		)	86,461
Basic earnings (loss) per share attributable to Pentair Ltd.	$	(0.16	)	$	(0.84	)	$	(0.68	)
Diluted earnings (loss) per share attributable to Pentair Ltd.	(0.16		)	(0.84		)	$	(0.68	)
Balance Sheet
Retained earnings	$	1,492,258		$	1,292,288		$	(199,970	)
Accumulated other comprehensive income (loss)	(211,568		)	(11,598		)	199,970
Statement of Cash Flows
Net income (loss) before noncontrolling interest	$	(18,151	)	$	(104,612	)	$	(86,461	)
Pension and other post-retirement expense	25,798			167,536			141,738
Other current liabilities	82,455			27,178			(55,277		)

	Previously Reported			Adjusted			Effect of Change
As of and for the year ended December 31, 2011
Statement of Operations and Comprehensive Income (Loss)
Selling, general and administrative	$	626,527		$	694,841		$	68,314
Provision for income taxes	73,059			46,417			(26,642		)
Income (loss) from continuing operations	38,521			(3,151		)	(41,672		)
Net income (loss) attributable to Pentair Ltd.	34,222			(7,450		)	(41,672		)
Amortization of pension and other post-retirement prior service cost and transition obligation	(41,683		)	(11		)	41,672
Basic earnings (loss) per share attributable to Pentair Ltd.	$	0.35		$	(0.08	)	$	(0.43	)
Diluted earnings (loss) per share attributable to Pentair Ltd.	0.34			(0.08		)	$	(0.42	)
Balance Sheet
Retained earnings	$	1,579,290		$	1,465,780		$	(113,510	)
Accumulated other comprehensive income (loss)	(151,241		)	(37,731		)	113,510
Statement of Cash Flows
Net income (loss) before noncontrolling interest	$	38,521		$	(3,151	)	$	(41,672	)
Pension and other post-retirement expense	16,031			84,345			68,314
Other current liabilities	18,688			(7,954		)	(26,642		)

	Previously Reported			Adjusted			Effect of Change
For the year ended December 31, 2010
Statement of Operations and Comprehensive Income (Loss)
Selling, general and administrative	$	529,329		$	550,501		$	21,172
Provision for income taxes	97,200			88,943			$	(8,257	)
Income from continuing operations	202,947			190,032			$	(12,915	)
Net income attributable to Pentair Ltd.	197,828			184,913			$	(12,915	)
Amortization of pension and other post-retirement prior service cost and transition obligation	(12,762		)	153			$	12,915
Basic earnings per share attributable to Pentair Ltd.	$	2.01		$	1.88		$	(0.13	)
Diluted earnings per share attributable to Pentair Ltd.	1.99			1.86			$	(0.13	)
Statement of Cash Flows
Net income (loss) before noncontrolling interest	$	202,321		$	189,406		$	(12,915	)
Pension and other post-retirement expense	12,926			34,098			$	21,172
Other current liabilities	7,462			(795		)	$	(8,257	)