Stock-Based Employee Compensation-Exercise Prices (Details) (Stock Options, USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 29, 2015
Options Outstanding
Number Outstanding (shares)	3,679,645
Weighted-Average Remaining Contractual Life (in years)	3 years 10 months 13 days
Weighted-Average Exercise Price	$ 7.71
Options Exercisable
Number Exercisable (in thousands)	2,369,040
Weighted-Average Exercise Price	$ 6.92
4.95-5.33
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 4.95
Range of exercise prices, upper limit (in dollars per share)	$ 5.33
Options Outstanding
Number Outstanding (shares)	393,066
Weighted-Average Remaining Contractual Life (in years)	2 years 9 months 15 days
Weighted-Average Exercise Price	$ 5.22
Options Exercisable
Number Exercisable (in thousands)	310,388
Weighted-Average Exercise Price	$ 5.20
5.40-5.75
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 5.40
Range of exercise prices, upper limit (in dollars per share)	$ 5.75
Options Outstanding
Number Outstanding (shares)	409,984
Weighted-Average Remaining Contractual Life (in years)	2 years 7 months 13 days
Weighted-Average Exercise Price	$ 5.72
Options Exercisable
Number Exercisable (in thousands)	384,604
Weighted-Average Exercise Price	$ 5.73
5.77-5.77
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 5.77
Range of exercise prices, upper limit (in dollars per share)	$ 5.77
Options Outstanding
Number Outstanding (shares)	619,416
Weighted-Average Remaining Contractual Life (in years)	4 years 1 month 6 days
Weighted-Average Exercise Price	$ 5.77
Options Exercisable
Number Exercisable (in thousands)	372,730
Weighted-Average Exercise Price	$ 5.77
5.79-6.79
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 5.79
Range of exercise prices, upper limit (in dollars per share)	$ 6.79
Options Outstanding
Number Outstanding (shares)	390,446
Weighted-Average Remaining Contractual Life (in years)	2 years 2 months 16 days
Weighted-Average Exercise Price	$ 6.10
Options Exercisable
Number Exercisable (in thousands)	366,028
Weighted-Average Exercise Price	$ 6.09
6.80-7.24
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 6.80
Range of exercise prices, upper limit (in dollars per share)	$ 7.24
Options Outstanding
Number Outstanding (shares)	89,263
Weighted-Average Remaining Contractual Life (in years)	3 years 1 month 28 days
Weighted-Average Exercise Price	$ 6.97
Options Exercisable
Number Exercisable (in thousands)	73,309
Weighted-Average Exercise Price	$ 6.97
7.67-7.67
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 7.67
Range of exercise prices, upper limit (in dollars per share)	$ 7.67
Options Outstanding
Number Outstanding (shares)	423,688
Weighted-Average Remaining Contractual Life (in years)	5 years 1 month 17 days
Weighted-Average Exercise Price	$ 7.67
Options Exercisable
Number Exercisable (in thousands)	164,526
Weighted-Average Exercise Price	$ 7.67
7.81-7.92
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 7.81
Range of exercise prices, upper limit (in dollars per share)	$ 7.92
Options Outstanding
Number Outstanding (shares)	18,687
Weighted-Average Remaining Contractual Life (in years)	2 years 11 months 27 days
Weighted-Average Exercise Price	$ 7.85
Options Exercisable
Number Exercisable (in thousands)	17,382
Weighted-Average Exercise Price	$ 7.84
8.49-8.49
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 8.49
Range of exercise prices, upper limit (in dollars per share)	$ 8.49
Options Outstanding
Number Outstanding (shares)	567,005
Weighted-Average Remaining Contractual Life (in years)	3 years 1 month 13 days
Weighted-Average Exercise Price	$ 8.49
Options Exercisable
Number Exercisable (in thousands)	526,265
Weighted-Average Exercise Price	$ 8.49
9.39-11.79
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 9.39
Range of exercise prices, upper limit (in dollars per share)	$ 11.79
Options Outstanding
Number Outstanding (shares)	403,000
Weighted-Average Remaining Contractual Life (in years)	5 years 10 months 13 days
Weighted-Average Exercise Price	$ 11.69
Options Exercisable
Number Exercisable (in thousands)	117,583
Weighted-Average Exercise Price	$ 11.66
12.16-20.56
Summary of information about stock options outstanding
Range of exercise prices, lower limit (in dollars per share)	$ 12.16
Range of exercise prices, upper limit (in dollars per share)	$ 20.56
Options Outstanding
Number Outstanding (shares)	365,090
Weighted-Average Remaining Contractual Life (in years)	5 years 6 months 15 days
Weighted-Average Exercise Price	$ 12.27
Options Exercisable
Number Exercisable (in thousands)	36,225
Weighted-Average Exercise Price	$ 12.51