Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Net sales	$ 1,910.8	$ 1,963.7	$ 3,636.0	$ 3,738.2
Cost of goods sold	1,251.9	1,296.3	2,398.8	2,547.0
Gross profit	658.9	667.4	1,237.2	1,191.2
Selling, general and administrative	400.3	409.4	768.7	825.4
Research and development	30.9	32.1	60.9	65.6
Operating income	227.7	225.9	407.6	300.2
Other (income) expense:
Equity income of unconsolidated subsidiaries	(0.4)	(0.9)	(0.8)	(1.1)
Loss (gain) on sale of businesses	0.2	0	8.2	(16.7)
Net interest expense	17.5	18.4	33.2	35.4
Income before income taxes and noncontrolling interest	210.4	208.4	367.0	282.6
Provision for income taxes	48.9	53.0	86.9	73.9
Net income before noncontrolling interest	161.5	155.4	280.1	208.7
Noncontrolling interest	0	1.3	0	2.9
Net income attributable to Pentair plc	161.5	154.1	280.1	205.8
Comprehensive income, net of tax
Net income before noncontrolling interest	161.5	155.4	280.1	208.7
Changes in cumulative translation adjustment	16.4	(41.3)	(11.5)	(118.2)
Changes in market value of derivative financial instruments, net of $0, $0.1, $0.1 and $0.1 tax, respectively	0.2	(0.4)	0.4	0.3
Total comprehensive income	178.1	113.7	269.0	90.8
Less: Comprehensive income attributable to noncontrolling interest	0	1.7	0	2.4
Comprehensive income attributable to Pentair plc	$ 178.1	$ 112.0	$ 269.0	$ 88.4
Earnings per ordinary share attributable to Pentair plc
Basic (USD per share)	$ 0.84	$ 0.76	$ 1.44	$ 1.01
Diluted (USD per share)	$ 0.82	$ 0.75	$ 1.41	$ 0.99
Weighted average ordinary shares outstanding
Basic (shares)	193.1	202.1	194.7	203.5
Diluted (shares)	196.4	205.5	198.0	206.9
Common Stock, Dividends, Per Share, Cash Paid	$ 0.25	$ 0.23	$ 0.50	$ 0.46