Business Combinations - Additional Information (Details) - USD ($)		3 Months Ended	6 Months Ended
	Feb. 19, 2015	Jul. 03, 2015	Jul. 03, 2015	Jun. 27, 2014	Dec. 31, 2014
Business Acquisition [Line Items]
Cash paid upon closing of the acquisition			$ 13,048,000	$ 93,656,000
Goodwill		$ 98,358,000	98,358,000		$ 90,746,000
Applimotion Inc.
Business Acquisition [Line Items]
Membership interests acquired	100.00%
Total purchase price	$ 14,013,000
Cash paid upon closing of the acquisition	13,000,000
Future contingent consideration	965,000
Undiscounted range of outcomes, minimum	0
Undiscounted range of outcomes, maximum	4,000,000
Recognized acquisition costs		$ 100,000	$ 200,000
Goodwill	7,612,000
Intangible assets	6,071,000
Goodwill and intangible assets expected to be deductible for tax purposes	$ 0