Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Derivative Financial Instruments [Abstract]

Summary of Cash Flow Hedging Instruments

	2017				2016
Hedged transaction	Notional		Fair		Notional		Fair
	Amount		Value		Amount		Value
Inventory purchases	$	756,673		(13,695)		945,728		60,520
Sales		423,315		16,144		290,181		9,775
Royalties and Other		196,889		(10,383)		198,849		1,633
Total	$	1,376,877		(7,934)		1,434,758		71,928

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location

	2017		2016
Prepaid expenses and other current assets
Unrealized gains	$	13,666		34,265
Unrealized losses		(10,319)		(2,075)
Net unrealized gain	$	3,347		32,190
Other assets
Unrealized gains	$	11,255		51,839
Unrealized losses		(2,376)		(792)
Net unrealized gain	$	8,879		51,047
Accrued liabilities
Unrealized gains	$	4,215		8,481
Unrealized losses		(15,484)		(19,790)
Net unrealized loss	$	(11,269)		(11,309)
Other liabilities
Unrealized gains	$	4,546		—
Unrealized losses		(13,437)		—
Net unrealized loss	$	(8,891)		—

Schedule of Derivative Instruments, Gain (Loss) in Statement of Operations

	2017		2016		2015
Consolidated Statements of Operations Classification
Cost of sales	$	(1,905)		57,786		66,378
Sales		5,315		7,467		(9,219)
Royalties and other		(6,000)		(5,776)		(566)
Net realized (losses) gains	$	(2,590)		59,477		56,593

Fair Values of Undesignated Derivative Financial Instruments

	2017		2016
Prepaid expenses and other assets
Unrealized gains	$	-		5,854
Unrealized losses		-		(1,197)
Net unrealized gain	$	-		4,657
Accrued liabilities
Unrealized gains	$	1,793		-
Unrealized losses		(4,684)		-
Net unrealized loss	$	(2,891)		-
Total unrealized gain (losses)	$	(2,891)		4,657