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Commitments, Contingencies and Legal Proceedings (Tables) | 12 Months Ended
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Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract] |
Summary of Minimum Annual Payment Due on Noncancelable Operating Lease | The following table summarizes the minimum annual payments due on noncancelable operating leases and other similar contractual obligations having initial or remaining terms in excess of one year:
In thousands |  |  | Leases |  |  |  | Other |
2015 |  | $ | 6,244 |  |  | $ | 71,402 |
2016 |  |  | 3,742 |  |  |  | 23,818 |
2017 |  |  | 2,256 |  |  |  | 1,176 |
2018 |  |  | 1,392 |  |  |  | 536 |
2019 |  |  | 394 |  |  |  | 98 |
Thereafter |  |  | 1 |  |  |  | – |

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