XML 79 R67.htm IDEA: XBRL DOCUMENT
v3.22.2

Realignment Programs (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 24 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Mar. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | $ 680 | $ 2,854 | $ 956 | $ 7,171 |
Non-Restructuring Charges | (151) | 2,762 | (826) | 12,146 |
Total Realignment Charges | 529 |  |  |  |
Total Realignment Program Charges |  | 5,616 | 130 | 19,317 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Beginning Balance |  |  | 4,868 | 18,255 |
Charges, net of adjustments | 680 | 2,854 | 956 | 7,171 |
Cash expenditures |  |  | (2,082) | (14,388) |
Other non-cash adjustments, including currency |  |  | (310) | (461) |
Ending Balance | 3,172 | 9,236 | 3,172 | 9,236 |
Subtotal–Reportable Segments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 680 | 2,854 | 956 | 7,171 |
Non-Restructuring Charges | (178) | 1,847 | (499) | 7,361 |
Total Realignment Charges | 502 |  |  |  |
Total Realignment Program Charges |  | 4,701 | 457 | 14,532 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 680 | 2,854 | 956 | 7,171 |
Eliminations and All Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 0 | 0 | 0 |
Non-Restructuring Charges | 27 | 915 | (327) | 4,785 |
Total Realignment Charges | 27 |  |  |  |
Total Realignment Program Charges |  | 915 | (327) | 4,785 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 0 | 0 | 0 |
Severance |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 570 | 14 | 568 | 1,387 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 570 | 14 | 568 | 1,387 |
Contract Termination |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 0 | 0 | 0 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 0 | 0 | 0 |
Asset Write-Downs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 19 | (849) | 259 | 1,341 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 19 | (849) | 259 | 1,341 |
Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 91 | 3,689 | 129 | 4,443 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 91 | 3,689 | 129 | 4,443 |
Charges Expected to be Settled in Cash |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  | 696 | 5,830 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  | 696 | 5,830 |
Cost of sales |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 680 | 2,187 | 956 | 6,513 |
Non-Restructuring Charges | (213) | 1,638 | (687) | 6,717 |
Total Realignment Charges | 467 |  |  |  |
Total Realignment Program Charges |  | 3,825 | 269 | 13,230 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 680 | 2,187 | 956 | 6,513 |
Cost of sales | Subtotal–Reportable Segments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 680 | 2,187 | 956 | 6,513 |
Non-Restructuring Charges | (213) | 1,638 | (626) | 6,127 |
Total Realignment Charges | 467 |  |  |  |
Total Realignment Program Charges |  | 3,825 | 330 | 12,640 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 680 | 2,187 | 956 | 6,513 |
Cost of sales | Eliminations and All Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 0 | 0 | 0 |
Non-Restructuring Charges | 0 | 0 | (61) | 590 |
Total Realignment Charges | 0 |  |  |  |
Total Realignment Program Charges |  | 0 | (61) | 590 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 0 | 0 | 0 |
Cost of sales | Severance |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 570 | (154) | 568 | 1,219 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 570 | (154) | 568 | 1,219 |
Cost of sales | Contract Termination |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 0 | 0 | 0 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 0 | 0 | 0 |
Cost of sales | Asset Write-Downs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 19 | (849) | 259 | 1,341 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 19 | (849) | 259 | 1,341 |
Cost of sales | Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 91 | 3,190 | 129 | 3,953 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 91 | 3,190 | 129 | 3,953 |
Selling, general and administrative expense |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 667 | 0 | 658 |
Non-Restructuring Charges | 62 | 1,124 | (139) | 5,429 |
Total Realignment Charges | 62 |  |  |  |
Total Realignment Program Charges |  | 1,791 | (139) | 6,087 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 667 | 0 | 658 |
Selling, general and administrative expense | Subtotal–Reportable Segments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 667 | 0 | 658 |
Non-Restructuring Charges | 35 | 209 | 127 | 1,234 |
Total Realignment Charges | 35 |  |  |  |
Total Realignment Program Charges |  | 876 | 127 | 1,892 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 667 | 0 | 658 |
Selling, general and administrative expense | Eliminations and All Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 0 | 0 | 0 |
Non-Restructuring Charges | 27 | 915 | (266) | 4,195 |
Total Realignment Charges | 27 |  |  |  |
Total Realignment Program Charges |  | 915 | (266) | 4,195 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 0 | 0 | 0 |
Selling, general and administrative expense | Severance |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 168 | 0 | 168 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 168 | 0 | 168 |
Selling, general and administrative expense | Contract Termination |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 0 | 0 | 0 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 0 | 0 | 0 |
Selling, general and administrative expense | Asset Write-Downs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 0 | 0 | 0 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 0 | 0 | 0 |
Selling, general and administrative expense | Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 499 | 0 | 490 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 499 | 0 | 490 |
FPD |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 604 | 2,683 | 885 | 6,710 |
Non-Restructuring Charges | (223) | 1,896 | (512) | 5,944 |
Total Realignment Charges | 381 |  |  |  |
Total Realignment Program Charges |  | 4,579 | 373 | 12,654 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 604 | 2,683 | 885 | 6,710 |
FPD | Cost of sales |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 604 | 2,016 | 885 | 6,043 |
Non-Restructuring Charges | (225) | 1,558 | (589) | 5,449 |
Total Realignment Charges | 379 |  |  |  |
Total Realignment Program Charges |  | 3,574 | 296 | 11,492 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 604 | 2,016 | 885 | 6,043 |
FPD | Selling, general and administrative expense |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 667 | 0 | 667 |
Non-Restructuring Charges | 2 | 338 | 77 | 495 |
Total Realignment Charges | 2 |  |  |  |
Total Realignment Program Charges |  | 1,005 | 77 | 1,162 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | 667 | 0 | 667 |
FCD |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 76 | 171 | 71 | 461 |
Non-Restructuring Charges | 45 | (49) | 13 | 1,417 |
Total Realignment Charges | 121 |  |  |  |
Total Realignment Program Charges |  | 122 | 84 | 1,878 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 76 | 171 | 71 | 461 |
FCD | Cost of sales |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 76 | 171 | 71 | 470 |
Non-Restructuring Charges | 12 | 80 | (37) | 678 |
Total Realignment Charges | 88 |  |  |  |
Total Realignment Program Charges |  | 251 | 34 | 1,148 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 76 | 171 | 71 | 470 |
FCD | Selling, general and administrative expense |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges | 0 | 0 | 0 | (9) |
Non-Restructuring Charges | 33 | (129) | 50 | 739 |
Total Realignment Charges | 33 |  |  |  |
Total Realignment Program Charges |  | (129) | 50 | 730 |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments | 0 | $ 0 | 0 | $ (9) |
2020 Realignment Program |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Expected cost | $ 95,000 |  | $ 95,000 |  |
Restructuring Charges |  |  |  |  | $ 29,900
Non-Restructuring Charges |  |  |  |  | 64,052
Total Realignment Charges |  |  |  |  | 93,952
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 29,900
2020 Realignment Program | Subtotal–Reportable Segments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 29,917
Non-Restructuring Charges |  |  |  |  | 41,942
Total Realignment Charges |  |  |  |  | 71,859
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 29,917
2020 Realignment Program | Eliminations and All Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | (17)
Non-Restructuring Charges |  |  |  |  | 22,110
Total Realignment Charges |  |  |  |  | 22,093
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | (17)
2020 Realignment Program | Severance |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 17,023
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 17,023
2020 Realignment Program | Contract Termination |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 86
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 86
2020 Realignment Program | Asset Write-Downs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 4,368
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 4,368
2020 Realignment Program | Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 8,423
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 8,423
2020 Realignment Program | Cost of sales |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 28,868
Non-Restructuring Charges |  |  |  |  | 26,085
Total Realignment Charges |  |  |  |  | 54,953
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 28,868
2020 Realignment Program | Cost of sales | Subtotal–Reportable Segments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 28,868
Non-Restructuring Charges |  |  |  |  | 25,504
Total Realignment Charges |  |  |  |  | 54,372
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 28,868
2020 Realignment Program | Cost of sales | Eliminations and All Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 0
Non-Restructuring Charges |  |  |  |  | 581
Total Realignment Charges |  |  |  |  | 581
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 0
2020 Realignment Program | Cost of sales | Severance |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 16,772
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 16,772
2020 Realignment Program | Cost of sales | Contract Termination |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 86
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 86
2020 Realignment Program | Cost of sales | Asset Write-Downs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 4,354
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 4,354
2020 Realignment Program | Cost of sales | Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 7,656
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 7,656
2020 Realignment Program | Selling, general and administrative expense |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 1,032
Non-Restructuring Charges |  |  |  |  | 37,967
Total Realignment Charges |  |  |  |  | 38,999
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 1,032
2020 Realignment Program | Selling, general and administrative expense | Subtotal–Reportable Segments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 1,049
Non-Restructuring Charges |  |  |  |  | 16,438
Total Realignment Charges |  |  |  |  | 17,487
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 1,049
2020 Realignment Program | Selling, general and administrative expense | Eliminations and All Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | (17)
Non-Restructuring Charges |  |  |  |  | 21,529
Total Realignment Charges |  |  |  |  | 21,512
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | (17)
2020 Realignment Program | Selling, general and administrative expense | Severance |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 251
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 251
2020 Realignment Program | Selling, general and administrative expense | Contract Termination |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 0
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 0
2020 Realignment Program | Selling, general and administrative expense | Asset Write-Downs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 14
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 14
2020 Realignment Program | Selling, general and administrative expense | Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 767
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 767
2020 Realignment Program | FPD |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 27,477
Non-Restructuring Charges |  |  |  |  | 35,944
Total Realignment Charges |  |  |  |  | 63,421
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 27,477
2020 Realignment Program | FPD | Cost of sales |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 26,761
Non-Restructuring Charges |  |  |  |  | 24,818
Total Realignment Charges |  |  |  |  | 51,579
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 26,761
2020 Realignment Program | FPD | Selling, general and administrative expense |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 716
Non-Restructuring Charges |  |  |  |  | 11,126
Total Realignment Charges |  |  |  |  | 11,842
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 716
2020 Realignment Program | FCD |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 2,440
Non-Restructuring Charges |  |  |  |  | 5,998
Total Realignment Charges |  |  |  |  | 8,438
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 2,440
2020 Realignment Program | FCD | Cost of sales |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 2,107
Non-Restructuring Charges |  |  |  |  | 686
Total Realignment Charges |  |  |  |  | 2,793
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | 2,107
2020 Realignment Program | FCD | Selling, general and administrative expense |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Charges |  |  |  |  | 333
Non-Restructuring Charges |  |  |  |  | 5,312
Total Realignment Charges |  |  |  |  | 5,645
Restructuring Reserve [Roll Forward] |  |  |  |  |
Charges, net of adjustments |  |  |  |  | $ 333

X
- Definition Non-Restructuring Charges (Benefits) + References No definition available. + Details
Name: | fls_NonRestructuringChargesBenefits
Namespace Prefix: | fls_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Realignment Program Charges (Benefits) + References No definition available. + Details
Name: | fls_RealignmentProgramChargesBenefits
Namespace Prefix: | fls_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Realignment and Transformation Program Charges (Benefits) + References No definition available. + Details
Name: | fls_RealignmentandTransformationProgramChargesBenefits
Namespace Prefix: | fls_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585 + Details
Name: | us-gaap_PaymentsForRestructuring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCost1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_RestructuringReserveRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
Name: | us-gaap_RestructuringReserveTranslationAndOtherAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_ContractTerminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=fls_AssetWriteDownsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=fls_ChargesExpectedtobeSettledinCashMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fls_FPDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fls_FlowControlDivisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=fls_RealignmentPrograms2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |