Business Acquisitions (Tables)

12 Months Ended

Mar. 31, 2018

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The table below represents the allocation of the final purchase price to the net assets acquired based on their estimated fair values, as well as the associated estimated useful lives of the acquired intangible assets (amounts in millions).



Assets acquired
Cash and cash equivalents	$	230.2
Accounts receivable	141.4
Inventories	335.1
Prepaid expenses and other current assets	28.4
Assets held for sale	32.0
Property, plant and equipment	129.9
Goodwill	1,286.4
Purchased intangible assets	1,888.4
Long-term deferred tax assets	46.7
Other assets	7.5
Total assets acquired	4,126.0

Liabilities assumed
Accounts payable	(55.7		)
Other current liabilities	(121.0		)
Long-term line of credit	(192.0		)
Deferred tax liabilities	(27.5		)
Long-term income tax payable	(115.1		)
Other long-term liabilities	(141.7		)
Total liabilities assumed	(653.0		)
Purchase price allocated	$	3,473.0

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination



Purchased Intangible Assets	Weighted Average
	Useful Life	April 4, 2016
	(in years)	(in millions)
Core and developed technology	11	$	1,075.0
In-process research and development	—	140.7
Customer-related	6	630.6
Backlog	1	40.3
Other	5	1.8
Total purchased intangible assets		$	1,888.4

Micrel Incorporated

Business Acquisition [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The table below represents the allocation of the purchase price to the net assets acquired based on their estimated fair values as of August 3, 2015, as well as the associated estimated useful lives of the acquired intangible assets at that date. The purchase price allocation was finalized as of June 30, 2016 (amounts in millions):



Assets acquired
Cash and cash equivalents	$	99.1
Accounts receivable, net	14.0
Inventories	73.5
Prepaid expenses and other current assets	10.7
Property, plant and equipment, net	38.5
Goodwill	441.0
Purchased intangible assets	273.5
Other assets	4.3
Total assets acquired	954.6

Liabilities assumed
Accounts payable	(11.1		)
Other current liabilities	(31.6		)
Deferred tax liabilities	(88.0		)
Long-term income tax payable	(7.6		)
Other long-term liabilities	(0.1		)
Total liabilities assumed	(138.4		)
Purchase price allocated	$	816.2

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination



Purchased Intangible Assets	Weighted Average
	Useful Life	August 3, 2015
	(in years)	(in millions)
Core and developed technology	10	$	175.8
In-process research and development	—	21.0
Customer-related	5	71.1
Backlog	1	5.6
Total purchased intangible assets		$	273.5