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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2012
Net Rental Expense Under Operating Leases | Net rental expense under operating leases for the years ended December 31 was as follows:
In thousands |  | 2012 |  |  | 2011 |  |  | 2010 |
Gross rental expense |  | $ | 45,327 |  |  | $ | 39,808 |  |  | $ | 32,662 |
Sublease rental income |  |  | (499 | ) |  |  | (455 | ) |  |  | (225 | )
Net rental expense |  | $ | 44,828 |  |  | $ | 39,353 |  |  | $ | 32,437 |
Future Minimum Lease Commitments | Future minimum lease commitments under non-cancelable operating leases, principally related to facilities, machinery, equipment and vehicles as of December 31, 2012 were as follows:
In thousands |  | 2013 |  |  | 2014 |  |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | Thereafter |  |  | Total |
Minimum lease payments |  | $ | 52,566 |  |  | $ | 40,454 |  |  | $ | 28,883 |  |  | $ | 20,800 |  |  | $ | 16,409 |  |  | $ | 31,831 |  |  | $ | 190,943 |
Minimum sublease rentals |  |  | (260 | ) |  |  | (264 | ) |  |  | (98 | ) |  |  | (85 | ) |  |  | (87 | ) |  |  | - |  |  |  | (794 | )
Net future minimum lease commitments |  | $ | 52,306 |  |  | $ | 40,190 |  |  | $ | 28,785 |  |  | $ | 20,715 |  |  | $ | 16,322 |  |  | $ | 31,831 |  |  | $ | 190,149 |
Changes in Carrying Amount of Service and Product Warranties | The changes in the carrying amount of service and product warranties for the years ended December 31, 2012 and 2011 were as follows:
|  | Years ended December 31 |
In thousands |  | 2012 |  |  | 2011 |
Beginning balance |  | $ | 29,355 |  |  | $ | 30,050 |
Service and product warranty provision |  |  | 55,710 |  |  |  | 50,096 |
Payments |  |  | (53,328 | ) |  |  | (53,937 | )
Acquired |  |  | 21,529 |  |  |  | 3,575 |
Translation |  |  | 430 |  |  |  | (429 | )
Ending balance |  | $ | 53,696 |  |  | $ | 29,355 |

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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