| Deferred Components of OCI Reported, Net of Related Income Taxes, in Accumulated OCI in Stockholders' Equity and Changes in Accumulated OCI | The changes in accumulated OCL, net of related taxes, were as follows: 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Three Months Ended June 2019 |  
|   |   |   |   |   |   |   |   |  
|   | Foreign Currency Translation |   | Defined Benefit Pension Plans |   | Derivative Financial Instruments |   |   |  
| (in thousands) |   |   |   | Total |  
| Balance, March 2019 | $ | (144,424 | ) |   | $ | — | 
 |   | $ | — | 
 |   | $ | (144,424 | ) |  
| Other comprehensive income (loss) before reclassifications | 4,686 | 
 |   | (14 | ) |   | (2,058 | ) |   | 2,614 | 
 |  
| Amounts reclassified from accumulated other comprehensive income (loss) | — | 
 |   | — | 
 |   | (362 | ) |   | (362 | ) |  
| Net other comprehensive income (loss) | 4,686 | 
 |   | (14 | ) |   | (2,420 | ) |   | 2,252 | 
 |  
| Net transfers to former parent | 57,897 | 
 |   | (1,058 | ) |   | 11,645 | 
 |   | 68,484 | 
 |  
| Balance, June 2019 | $ | (81,841 | ) |   | $ | (1,072 | ) |   | $ | 9,225 | 
 |   | $ | (73,688 | ) | 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Three Months Ended June 2018 |  
|   |   |   |   |   |   |   |   |  
|   | Foreign Currency Translation |   | Defined Benefit Pension Plans |   | Derivative Financial Instruments |   |   |  
| (in thousands) |   |   |   | Total |  
| Balance, March 2018 | $ | (112,781 | ) |   | $ | — | 
 |   | $ | — | 
 |   | $ | (112,781 | ) |  
| Other comprehensive income (loss) before reclassifications | (28,518 | ) |   | — | 
 |   | — | 
 |   | (28,518 | ) |  
| Amounts reclassified from accumulated other comprehensive income (loss) | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |  
| Net other comprehensive income (loss) | (28,518 | ) |   | — | 
 |   | — | 
 |   | (28,518 | ) |  
| Balance, June 2018 | $ | (141,299 | ) |   | $ | — | 
 |   | $ | — | 
 |   | $ | (141,299 | ) | 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Six Months Ended June 2019 |  
|   |   |   |   |   |   |   |   |  
|   | Foreign Currency Translation |   | Defined Benefit Pension Plans |   | Derivative Financial Instruments |   |   |  
| (in thousands) |   |   |   | Total |  
| Balance, December 2018 | $ | (145,182 | ) |   | $ | — | 
 |   | $ | — | 
 |   | $ | (145,182 | ) |  
| Other comprehensive income (loss) before reclassifications | 5,444 | 
 |   | (14 | ) |   | (2,058 | ) |   | 3,372 | 
 |  
| Amounts reclassified from accumulated other comprehensive income (loss) | — | 
 |   | — | 
 |   | (362 | ) |   | (362 | ) |  
| Net other comprehensive income (loss) | 5,444 | 
 |   | (14 | ) |   | (2,420 | ) |   | 3,010 | 
 |  
| Net transfers to former parent | 57,897 | 
 |   | (1,058 | ) |   | 11,645 | 
 |   | 68,484 | 
 |  
| Balance, June 2019 | $ | (81,841 | ) |   | $ | (1,072 | ) |   | $ | 9,225 | 
 |   | $ | (73,688 | ) | 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   | Six Months Ended June 2018 |  
|   |   |   |   |   |   |   |   |  
|   | Foreign Currency Translation |   | Defined Benefit Pension Plans |   | Derivative Financial Instruments |   | 
 |  
| (in thousands) |   |   |   | Total |  
| Balance, December 2017 | $ | (122,482 | ) |   | $ | — | 
 |   | $ | — | 
 |   | $ | (122,482 | ) |  
| Other comprehensive income (loss) before reclassifications | (18,817 | ) |   | — | 
 |   | — | 
 |   | (18,817 | ) |  
| Amounts reclassified from accumulated other comprehensive income (loss) | — | 
 |   | — | 
 |   | — | 
 |   | — | 
 |  
| Net other comprehensive income (loss) | (18,817 | ) |   | — | 
 |   | — | 
 |   | (18,817 | ) |  
| Balance, June 2018 | $ | (141,299 | ) |   | $ | — | 
 |   | $ | — | 
 |   | $ | (141,299 | ) | 
 The deferred components of OCL are reported, net of related taxes, in accumulated OCL in equity, as follows:
 
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| (in thousands) |   |   | June 2019 |   |   | December 2018 |   | June 2018 |  
| Foreign currency translation |   |   | $ | (81,841 | ) |   |   | $ | (145,182 | ) |   | $ | (141,299 | ) |  
| Defined benefit pension plans |   |   | (1,072 | ) |   |   | — | 
 |   | — | 
 |  
| Derivative financial instruments |   |   | 9,225 | 
 |   |   | — | 
 |   | — | 
 |  
| Accumulated other comprehensive income (loss) |   |   | $ | (73,688 | ) |   |   | $ | (145,182 | ) |   | $ | (141,299 | ) | 
 |