Receivables and Other Current Assets (Tables)

3 Months Ended

Mar. 31, 2018

Prepaid Expense and Other Assets, Current [Abstract]

Schedule of Receivables and Other Current Assets

The Company's receivables and other current assets comprise the following balances:

(in thousands)	March 31, 2018		December 31, 2017
Accounts receivable, less allowance for doubtful accounts of $6,800	$	256,560	$	124,659
Receivables related to unrecognized revenue	$	134,613	$	215,155
Income taxes receivable, including overpayments and refunds	13,921		21,663
Prepaid expenses and other current assets	32,467		27,002
Total other receivables and current assets	$	181,001	$	263,820