Summary of Significant Accounting Policies - (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The cumulative effect of the changes made to our consolidated balance sheet as of January 1, 2018 for the adoption of the above accounting standards was as follows (in thousands):



	Balance at December 31, 2017			Transition Adjustments			Balance at January 1, 2018
Assets:
Deferred tax assets, net	$	34,559		$	595		$	35,154
Liabilities:
Deferred revenue	8,618			(1,120		)	7,498
Deferred revenue, non-current	16,115			(1,120		)	14,995
Deferred tax liabilities, net	383,472			3,114			386,586
Shareholders' Equity:
Accumulated other comprehensive loss	(140,878		)	53			(140,825		)
Retained earnings	917,956			(332		)	917,624

Schedule of property and equipment

Estimated useful lives are as follows:



Buildings	40 years
Manufacturing equipment and machinery	5-10 years
Computer software and equipment	3 years
Furniture and fixtures	5 years

Property, plant and equipment consisted of the following (in thousands):



	December 31,
	2018			2017
Build-to-suit facility	$	52,067		$	51,721
Construction-in-progress	51,243			21,738
Land and buildings	46,650			46,729
Leasehold improvements	33,273			28,779
Manufacturing equipment and machinery	25,837			23,586
Computer software	19,062			19,969
Computer equipment	13,679			12,814
Furniture and fixtures	8,155			5,947
Subtotal	249,966			211,283
Less accumulated depreciation and amortization	(49,608		)	(41,203		)
Property, plant and equipment, net	$	200,358		$	170,080