Guarantor Financial Information (Condensed Consolidating Statements of Cash Flows) (Details) (USD $) | 3 Months Ended | 12 Months Ended |
In Millions, unless otherwise specified | Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013 |
Condensed Financial Statements, Captions [Line Items] | ' | ' | ' |
Net cash provided by (used in) continuing operating activities | ($84.80) | ($17.20) | $877.70 |
Net cash provided by (used in) discontinued operating activities | -41.2 | 9.2 | 292.7 |
Net cash provided by (used in) operating activities | -126 | -8 | 1,170.40 |
Cash flows from investing activities: | ' | ' | ' |
Capital expenditures | -50.5 | -67.1 | -242.2 |
Acquisition of businesses, net of cash acquired | -7 | 0 | ' |
Proceeds from sale of property, plant and equipment | 5.3 | 4.2 | 24.3 |
Proceeds from business dispositions, net of cash sold | ' | ' | 4.7 |
Net cash provided by (used in) continuing investing activities | -52.2 | -62.9 | -213.2 |
Net cash provided by (used in) discontinued investing activities | 0 | -4.3 | -2.2 |
Net cash provided by (used in) investing activities | -52.2 | -67.2 | -215.4 |
Cash flows from financing activities: | ' | ' | ' |
Net proceeds (repayments) in debt | 4.4 | 2.4 | 291.7 |
Debt issuance costs | -2.2 | 0 | -13.2 |
Excess tax benefit from share based compensation | ' | ' | 19.5 |
Net inter-company proceeds (payments) | 0 | 0 | 0 |
Dividends paid to ordinary shareholders | -65.8 | -62.8 | -245.5 |
Dividends paid to noncontrolling interests | -3.8 | 0 | -12.4 |
Proceeds from shares issued under incentive plans | 3.5 | 90.7 | 253 |
Repurchase of ordinary shares | -787.7 | 0 | -1,213.20 |
Transfer from Allegion | ' | ' | 1,274.20 |
Net cash provided by (used in) continuing financing activities | -851.6 | 30.3 | 354.1 |
Net cash provided by (used in) discontinued financing activities | 0 | -3.7 | -7.5 |
Net cash provided by (used in) financing activities | -851.6 | 26.6 | 346.6 |
Effect of exchange rate changes on cash and cash equivalents | -9.5 | -0.6 | -72.8 |
Net increase (decrease) in cash and cash equivalents | -1,039.30 | -49.2 | 1,228.80 |
Cash and cash equivalents - beginning of period | 1,937.20 | 708.4 | 708.4 |
Cash and cash equivalents - end of period | 897.9 | 659.2 | 1,937.20 |
IR Ireland [Member] | ' | ' | ' |
Condensed Financial Statements, Captions [Line Items] | ' | ' | ' |
Net cash provided by (used in) continuing operating activities | -1.9 | -2.3 | -63.2 |
Net cash provided by (used in) discontinued operating activities | 0 | 0 | 0 |
Net cash provided by (used in) operating activities | -1.9 | -2.3 | -63.2 |
Cash flows from investing activities: | ' | ' | ' |
Capital expenditures | 0 | 0 | 0 |
Acquisition of businesses, net of cash acquired | 0 | ' | ' |
Proceeds from sale of property, plant and equipment | 0 | 0 | 0 |
Proceeds from business dispositions, net of cash sold | ' | ' | 0 |
Net cash provided by (used in) continuing investing activities | 0 | 0 | 0 |
Net cash provided by (used in) discontinued investing activities | 0 | 0 | 0 |
Net cash provided by (used in) investing activities | 0 | 0 | 0 |
Cash flows from financing activities: | ' | ' | ' |
Net proceeds (repayments) in debt | 0 | 0 | 0 |
Debt issuance costs | 0 | ' | 0 |
Excess tax benefit from share based compensation | ' | ' | 19.5 |
Net inter-company proceeds (payments) | 851.9 | -25.6 | -24.8 |
Dividends paid to ordinary shareholders | -65.8 | -62.8 | -245.5 |
Dividends paid to noncontrolling interests | 0 | ' | 0 |
Proceeds from shares issued under incentive plans | 3.5 | 90.7 | 253 |
Repurchase of ordinary shares | -787.7 | ' | -1,213.20 |
Transfer from Allegion | ' | ' | 1,274.20 |
Net cash provided by (used in) continuing financing activities | 1.9 | 2.3 | 63.2 |
Net cash provided by (used in) discontinued financing activities | 0 | 0 | 0 |
Net cash provided by (used in) financing activities | 1.9 | 2.3 | 63.2 |
Effect of exchange rate changes on cash and cash equivalents | 0 | 0 | 0 |
Net increase (decrease) in cash and cash equivalents | 0 | 0 | 0 |
Cash and cash equivalents - beginning of period | 0 | 0 | 0 |
Cash and cash equivalents - end of period | 0 | 0 | 0 |
IR Limited [Member] | ' | ' | ' |
Condensed Financial Statements, Captions [Line Items] | ' | ' | ' |
Net cash provided by (used in) continuing operating activities | 0 | 0 | -0.1 |
Net cash provided by (used in) discontinued operating activities | 0 | 0 | 0 |
Net cash provided by (used in) operating activities | 0 | 0 | -0.1 |
Cash flows from investing activities: | ' | ' | ' |
Capital expenditures | 0 | 0 | 0 |
Acquisition of businesses, net of cash acquired | 0 | ' | ' |
Proceeds from sale of property, plant and equipment | 0 | 0 | 0 |
Proceeds from business dispositions, net of cash sold | ' | ' | 0 |
Net cash provided by (used in) continuing investing activities | 0 | 0 | 0 |
Net cash provided by (used in) discontinued investing activities | 0 | 0 | 0 |
Net cash provided by (used in) investing activities | 0 | 0 | 0 |
Cash flows from financing activities: | ' | ' | ' |
Net proceeds (repayments) in debt | 0 | 0 | 0 |
Debt issuance costs | 0 | ' | 0 |
Excess tax benefit from share based compensation | ' | ' | 0 |
Net inter-company proceeds (payments) | 0 | 0 | 1,274.30 |
Dividends paid to ordinary shareholders | 0 | 0 | -1,274.20 |
Dividends paid to noncontrolling interests | 0 | ' | 0 |
Proceeds from shares issued under incentive plans | 0 | 0 | 0 |
Repurchase of ordinary shares | 0 | ' | 0 |
Transfer from Allegion | ' | ' | 0 |
Net cash provided by (used in) continuing financing activities | 0 | 0 | 0.1 |
Net cash provided by (used in) discontinued financing activities | 0 | 0 | 0 |
Net cash provided by (used in) financing activities | 0 | 0 | 0.1 |
Effect of exchange rate changes on cash and cash equivalents | 0 | 0 | 0 |
Net increase (decrease) in cash and cash equivalents | 0 | 0 | 0 |
Cash and cash equivalents - beginning of period | 0 | 0 | 0 |
Cash and cash equivalents - end of period | 0 | 0 | 0 |
IR International [Member] | ' | ' | ' |
Condensed Financial Statements, Captions [Line Items] | ' | ' | ' |
Net cash provided by (used in) continuing operating activities | -0.3 | -3.4 | -14.2 |
Net cash provided by (used in) discontinued operating activities | 0 | 0 | 0 |
Net cash provided by (used in) operating activities | -0.3 | -3.4 | -14.2 |
Cash flows from investing activities: | ' | ' | ' |
Capital expenditures | 0 | 0 | 0 |
Acquisition of businesses, net of cash acquired | 0 | ' | ' |
Proceeds from sale of property, plant and equipment | 0 | 0 | 0 |
Proceeds from business dispositions, net of cash sold | ' | ' | 0 |
Net cash provided by (used in) continuing investing activities | 0 | 0 | 0 |
Net cash provided by (used in) discontinued investing activities | 0 | 0 | 0 |
Net cash provided by (used in) investing activities | 0 | 0 | 0 |
Cash flows from financing activities: | ' | ' | ' |
Net proceeds (repayments) in debt | 0 | 0 | 0 |
Debt issuance costs | 0 | ' | 0 |
Excess tax benefit from share based compensation | ' | ' | 0 |
Net inter-company proceeds (payments) | 0.5 | 3.4 | 699.7 |
Dividends paid to ordinary shareholders | 0 | 0 | -685.5 |
Dividends paid to noncontrolling interests | 0 | ' | 0 |
Proceeds from shares issued under incentive plans | 0 | 0 | 0 |
Repurchase of ordinary shares | 0 | ' | 0 |
Transfer from Allegion | ' | ' | 0 |
Net cash provided by (used in) continuing financing activities | 0.5 | 3.4 | 14.2 |
Net cash provided by (used in) discontinued financing activities | 0 | 0 | 0 |
Net cash provided by (used in) financing activities | 0.5 | 3.4 | 14.2 |
Effect of exchange rate changes on cash and cash equivalents | 0 | 0 | 0 |
Net increase (decrease) in cash and cash equivalents | 0.2 | 0 | 0 |
Cash and cash equivalents - beginning of period | 0 | 0 | 0 |
Cash and cash equivalents - end of period | 0.2 | 0 | 0 |
IR Global [Member] | ' | ' | ' |
Condensed Financial Statements, Captions [Line Items] | ' | ' | ' |
Net cash provided by (used in) continuing operating activities | -32.1 | -39.8 | -196.7 |
Net cash provided by (used in) discontinued operating activities | 0 | 0 | 0 |
Net cash provided by (used in) operating activities | -32.1 | -39.8 | -196.7 |
Cash flows from investing activities: | ' | ' | ' |
Capital expenditures | 0 | 0 | 0 |
Acquisition of businesses, net of cash acquired | 0 | ' | ' |
Proceeds from sale of property, plant and equipment | 0 | 0 | 0 |
Proceeds from business dispositions, net of cash sold | ' | ' | 0 |
Net cash provided by (used in) continuing investing activities | 0 | 0 | 0 |
Net cash provided by (used in) discontinued investing activities | 0 | 0 | 0 |
Net cash provided by (used in) investing activities | 0 | 0 | 0 |
Cash flows from financing activities: | ' | ' | ' |
Net proceeds (repayments) in debt | 0 | 0 | 291.2 |
Debt issuance costs | -2.2 | ' | -13.2 |
Excess tax benefit from share based compensation | ' | ' | 0 |
Net inter-company proceeds (payments) | -941 | -22.1 | 2,106.30 |
Dividends paid to ordinary shareholders | 0 | 0 | -1,274.20 |
Dividends paid to noncontrolling interests | 0 | ' | 0 |
Proceeds from shares issued under incentive plans | 0 | 0 | 0 |
Repurchase of ordinary shares | 0 | ' | 0 |
Transfer from Allegion | ' | ' | 0 |
Net cash provided by (used in) continuing financing activities | -943.2 | -22.1 | 1,110.10 |
Net cash provided by (used in) discontinued financing activities | 0 | 0 | 0 |
Net cash provided by (used in) financing activities | -943.2 | -22.1 | 1,110.10 |
Effect of exchange rate changes on cash and cash equivalents | 0 | 0 | 0 |
Net increase (decrease) in cash and cash equivalents | -975.3 | -61.9 | 913.4 |
Cash and cash equivalents - beginning of period | 975.3 | 61.9 | 61.9 |
Cash and cash equivalents - end of period | 0 | 0 | 975.3 |
IR New Jersey [Member] | ' | ' | ' |
Condensed Financial Statements, Captions [Line Items] | ' | ' | ' |
Net cash provided by (used in) continuing operating activities | 197.2 | -178.7 | -170.5 |
Net cash provided by (used in) discontinued operating activities | -42.6 | -25.9 | -112.2 |
Net cash provided by (used in) operating activities | 154.6 | -204.6 | -282.7 |
Cash flows from investing activities: | ' | ' | ' |
Capital expenditures | -21.6 | -20.8 | -80.1 |
Acquisition of businesses, net of cash acquired | 0 | ' | ' |
Proceeds from sale of property, plant and equipment | 1.3 | 0.2 | 1.9 |
Proceeds from business dispositions, net of cash sold | ' | ' | 0 |
Net cash provided by (used in) continuing investing activities | -20.3 | -20.6 | -78.2 |
Net cash provided by (used in) discontinued investing activities | 0 | 0 | 0 |
Net cash provided by (used in) investing activities | -20.3 | -20.6 | -78.2 |
Cash flows from financing activities: | ' | ' | ' |
Net proceeds (repayments) in debt | 0 | 0 | -6.7 |
Debt issuance costs | 0 | ' | 0 |
Excess tax benefit from share based compensation | ' | ' | 0 |
Net inter-company proceeds (payments) | 561.4 | 257.5 | 368.1 |
Dividends paid to ordinary shareholders | -734.1 | 0 | 0 |
Dividends paid to noncontrolling interests | 0 | ' | 0 |
Proceeds from shares issued under incentive plans | 0 | 0 | 0 |
Repurchase of ordinary shares | 0 | ' | 0 |
Transfer from Allegion | ' | ' | 0 |
Net cash provided by (used in) continuing financing activities | -172.7 | 257.5 | 361.4 |
Net cash provided by (used in) discontinued financing activities | 0 | 0 | 0 |
Net cash provided by (used in) financing activities | -172.7 | 257.5 | 361.4 |
Effect of exchange rate changes on cash and cash equivalents | 0 | 0 | 0 |
Net increase (decrease) in cash and cash equivalents | -38.4 | 32.3 | 0.5 |
Cash and cash equivalents - beginning of period | 59.6 | 59.1 | 59.1 |
Cash and cash equivalents - end of period | 21.2 | 91.4 | 59.6 |
Other Subsidiaries [Member] | ' | ' | ' |
Condensed Financial Statements, Captions [Line Items] | ' | ' | ' |
Net cash provided by (used in) continuing operating activities | 678.5 | 207.4 | 4,562.40 |
Net cash provided by (used in) discontinued operating activities | 1.4 | 35.1 | 404.9 |
Net cash provided by (used in) operating activities | 679.9 | 242.5 | 4,967.30 |
Cash flows from investing activities: | ' | ' | ' |
Capital expenditures | -28.9 | -46.3 | -162.1 |
Acquisition of businesses, net of cash acquired | -7 | ' | ' |
Proceeds from sale of property, plant and equipment | 4 | 4 | 22.4 |
Proceeds from business dispositions, net of cash sold | ' | ' | 4.7 |
Net cash provided by (used in) continuing investing activities | -31.9 | -42.3 | -135 |
Net cash provided by (used in) discontinued investing activities | 0 | -4.3 | -2.2 |
Net cash provided by (used in) investing activities | -31.9 | -46.6 | -137.2 |
Cash flows from financing activities: | ' | ' | ' |
Net proceeds (repayments) in debt | 4.4 | 2.4 | 7.2 |
Debt issuance costs | 0 | ' | 0 |
Excess tax benefit from share based compensation | ' | ' | 0 |
Net inter-company proceeds (payments) | -472.9 | -213.2 | -4,423.60 |
Dividends paid to ordinary shareholders | -192 | -0.4 | -1.2 |
Dividends paid to noncontrolling interests | -3.8 | ' | -12.4 |
Proceeds from shares issued under incentive plans | 0 | 0 | 0 |
Repurchase of ordinary shares | 0 | ' | 0 |
Transfer from Allegion | ' | ' | 0 |
Net cash provided by (used in) continuing financing activities | -664.3 | -211.2 | -4,430 |
Net cash provided by (used in) discontinued financing activities | 0 | -3.7 | -12.4 |
Net cash provided by (used in) financing activities | -664.3 | -214.9 | -4,442.40 |
Effect of exchange rate changes on cash and cash equivalents | -9.5 | -0.6 | -72.8 |
Net increase (decrease) in cash and cash equivalents | -25.8 | -19.6 | 314.9 |
Cash and cash equivalents - beginning of period | 902.3 | 587.4 | 587.4 |
Cash and cash equivalents - end of period | 876.5 | 567.8 | 902.3 |
Consolidating Adjustments [Member] | ' | ' | ' |
Condensed Financial Statements, Captions [Line Items] | ' | ' | ' |
Net cash provided by (used in) continuing operating activities | -926.2 | -0.4 | -3,240 |
Net cash provided by (used in) discontinued operating activities | 0 | 0 | 0 |
Net cash provided by (used in) operating activities | -926.2 | -0.4 | -3,240 |
Cash flows from investing activities: | ' | ' | ' |
Capital expenditures | 0 | 0 | 0 |
Acquisition of businesses, net of cash acquired | 0 | ' | ' |
Proceeds from sale of property, plant and equipment | 0 | 0 | 0 |
Proceeds from business dispositions, net of cash sold | ' | ' | 0 |
Net cash provided by (used in) continuing investing activities | 0 | 0 | 0 |
Net cash provided by (used in) discontinued investing activities | 0 | 0 | 0 |
Net cash provided by (used in) investing activities | 0 | 0 | 0 |
Cash flows from financing activities: | ' | ' | ' |
Net proceeds (repayments) in debt | 0 | 0 | 0 |
Debt issuance costs | 0 | ' | 0 |
Excess tax benefit from share based compensation | ' | ' | 0 |
Net inter-company proceeds (payments) | 0.1 | 0 | 0 |
Dividends paid to ordinary shareholders | 926.1 | 0.4 | 3,235.10 |
Dividends paid to noncontrolling interests | 0 | ' | 0 |
Proceeds from shares issued under incentive plans | 0 | 0 | 0 |
Repurchase of ordinary shares | 0 | ' | 0 |
Transfer from Allegion | ' | ' | 0 |
Net cash provided by (used in) continuing financing activities | 926.2 | 0.4 | 3,235.10 |
Net cash provided by (used in) discontinued financing activities | 0 | 0 | 4.9 |
Net cash provided by (used in) financing activities | 926.2 | 0.4 | 3,240 |
Effect of exchange rate changes on cash and cash equivalents | 0 | 0 | 0 |
Net increase (decrease) in cash and cash equivalents | 0 | 0 | 0 |
Cash and cash equivalents - beginning of period | 0 | 0 | 0 |
Cash and cash equivalents - end of period | $0 | $0 | $0 |