Acquisitions (Tables)

12 Months Ended

Dec. 29, 2012

Ember Corporation

Business acquisition

Schedule of purchase price allocation

	Amount			Weighted-Average Amortization Period (Years)
Intangible assets:
In-process research and development	$	14,810		Not amortized
Developed technology		17,800		11
Customer relationships		5,620		9
Trademarks		910		12
		39,140
Cash and cash equivalents		3,115
Accounts receivable		1,928
Inventories		4,749
Other current assets		324
Goodwill		14,777
Non-current deferred tax assets, net		16,449
Other non-current assets		1,776
Current liabilities		(3,287	)
Total purchase price	$	78,971

Headquarters leases

Business acquisition

Schedule of purchase price allocation

	Amount
Buildings	$	90,900
Leasehold interest in ground leases		23,840
Acquired unfavorable leases		(11,925	)
Lease-related charges		(8	)
Net gain on purchase		(8,457	)
Total purchase price	$	94,350

Spectra Linear

Business acquisition

Schedule of purchase price allocation

	Amount			Weighted-Average Amortization Period (Years)
Intangible assets:
Core and developed technology	$	16,560		10
Customer relationships		1,400		10
		17,960
Accounts receivable		1,759
Inventories		1,199
Other current assets		1,658
Goodwill		4,097
Deferred tax assets—non-current		12,316
Other non-current assets		597
Notes payable—current portion		(4,641	)
Current liabilities		(3,112	)
Non-current liabilities		(3,254	)
Total purchase price	$	28,579

Silicon Clocks, Inc

Business acquisition

Schedule of purchase price allocation

	Amount			Weighted-Average Amortization Period (Years)
Intangible assets:
In-process research and development	$	9,470		Not amortized
Developed technology		230		3
Customer relationships		30		2
		9,730
Cash and cash equivalents		514
Other current assets		473
Deferred tax assets—non-current		11,521
Other non-current assets		322
Goodwill		3,209
Current liabilities		(1,338	)
Deferred tax liabilities—non-current		(3,406	)
Total purchase price	$	21,025