CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net (loss) income	$ (60,131)	$ 41,190
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation	4,919	4,245
Amortization of intangibles	23,511	28,174
Operating lease expense	3,933	4,030
Asset impairment charges	90,330	0
Amortization of prepaid product discounts	7,077	5,757
Deferred income taxes	(9,129)	1,640
Employee share-based compensation expense	3,618	3,760
Other non-cash items, net	8,439	3,137
Changes in assets and liabilities:
Trade accounts receivable	3,575	15,927
Inventories and supplies	(3,165)	1,322
Other current assets	(7,403)	(6,231)
Non-current assets	(917)	(1,557)
Accounts payable	(18,059)	(15,069)
Prepaid product discount payments	(7,321)	(9,189)
Other accrued and non-current liabilities	(20,723)	(31,737)
Net cash provided by operating activities	18,554	45,399
Cash flows from investing activities:
Purchases of capital assets	(6,355)	(14,619)
Purchases of customer funds marketable securities	(34)	(42)
Proceeds from customer funds marketable securities	34	42
Other	354	(208)
Net cash used by investing activities	(6,001)	(14,827)
Cash flows from financing activities:
Proceeds from issuing long-term debt	1,011,000	82,500
Payments on long-term debt	(754,500)	(46,500)
Net change in customer funds obligations	(19,407)	(9,908)
Proceeds from issuing shares under employee plans	1,736	1,548
Employee taxes paid for shares withheld	(757)	(2,672)
Payments for common shares repurchased	(14,000)	(50,000)
Cash dividends paid to shareholders	(12,714)	(13,118)
Other	(202)	(1,257)
Net cash provided (used) by financing activities	211,156	(39,407)
Effect of exchange rate change on cash, cash equivalents, restricted cash and restricted cash equivalents	(12,717)	2,076
Net change in cash, cash equivalents, restricted cash and restricted cash equivalents	210,992	(6,759)
Cash, cash equivalents, restricted cash and restricted cash equivalents, beginning of year	174,811	145,259
Cash, cash equivalents, restricted cash and restricted cash equivalents, end of period	$ 385,803	$ 138,500