Acquisitions - Schedule of IMS Trading Corp Acquisition (Details) - USD ($) $ in Thousands	Jul. 31, 2015	Mar. 26, 2016	Sep. 26, 2015	Mar. 28, 2015
Amounts Assets and Liabilities Recognized
Goodwill		$ 213,753	$ 209,089	$ 209,089
IMS Trading Corp
Amounts Assets and Liabilities Recognized
Current assets, net of cash and cash equivalents acquired	$ 20,808
Fixed assets	1,670
Goodwill	1,365
Other assets	0
Other intangible assets, net	4,475
Current liabilities	(5,100)
Net assets acquired, less cash and cash equivalents	23,218
Measurement Period Adjustments
Current assets, net of cash and cash equivalents acquired	350
Fixed assets	0
Goodwill	1,365
Other assets	(5,356)
Other intangible assets, net	4,475
Current liabilities	0
Net assets acquired, less cash and cash equivalents	834
Amounts Previously Recognized | IMS Trading Corp
Amounts Assets and Liabilities Recognized
Current assets, net of cash and cash equivalents acquired	20,458
Fixed assets	1,670
Goodwill	0
Other assets	5,356
Other intangible assets, net	0
Current liabilities	(5,100)
Net assets acquired, less cash and cash equivalents	$ 22,384