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Other Liabilities
12 Months Ended
Dec. 31, 2018
Other Liabilities Disclosure [Abstract]  
Other Liabilities
Other Liabilities

 
December 31, 2018

December 31, 2017

 
(in thousands)
Personnel related liabilities
$
171,866

$
168,964

Facility related liabilities
14,012

13,061

General trade and overhead liabilities*
118,845

41,789

Other liabilities
4,289

4,628

Short term government grants (note 11)
42

35

Restructuring (note 14)
8,089

5,026

 
$
317,143

$
233,503


*includes amounts due to third parties in respect of reimbursable expenses of $85.6 million at December 31, 2018.